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Getting Started

Introduction and overview of making sharp images..

Bokeh and Blur

How a lens blurs when out of focus is a Big Deal..

Sharpness and Blur by Optics

Blur from optical behavior or subject-related issue..

Sharpness and Zone of Focus

Sharpness loss by focusing or zone of sharp focus..

Blur from Camera or Support

Sharpness loss by camera or support or technique..

Appendices

Glossary and further reading..

Digital Sensor Technology

Digital capture technology is discrete, and not the same as film..

Ray Angle, Vignetting, Color Shading on a Digital Sensor

Evenness of illumination, color shading, digital sensor effects, ray angle..

Post Processing for Sharpness

Making image captures look sharp..

Choosing Equipment

How to choose a camera, lenses, and the other stuff that’s worthwhile..

Workflow Tips and technique

An introduction to digital workflow and best practices. .

Photoshop How-To

Working with Photoshop for raw conversion and more. .

Expose To The Right (ETTR)

Maximizing image quality, dynamic range, minimizing digital noise. .

How To Get Peak Sharpness With Perfect Focus

Focusing is more complicated than it first appears..

Focusing Accuracy (Case Studies)

Focusing accuracy and errors..

How To Banish Blur Whether Handheld or Tripod

Using your camera’s mirror lockup, self timer, and Live View features..

Depth of Field

Controlling the zone of sharp detail..

Depth of Field Mitigations

Increasing Depth of Field by means other than stopping down..

Focus Stacking Overview

Bypass the limits on depth of field and diffraction..

Focus Stacking Shooting Tips

Best practices for shooting stacking frames..

Focus Stacking Examples

Examples of Focus Stacking..

Diffraction

Getting peak performance from your lens.

Field Curvature

Zone of focus, not plane of focus.

Field Curvature (Case Studies)

Actual example of field curvature..

Focus Shift and Spherical Aberration

Elusive sharpness, depending on aperture.

Focus Shift (Case Studies)

Focus shift with a variety of lenses..

Understanding Modulation Transfer Function (MTF)

Understanding resolution and contrast graphs..

Vignetting (Field Illumination)

Evenness of illumination across the frame and related effects..

Astigmatism

Understanding astigmatism..

Camera and Lens Tolerances

Sharpness issues related to camera and lens tolerances and build quality..

How to Test A Lens

How to verify a good sample and assess all aspects of lens performance..

Optical Behavior (Case Studies)

Illuminating examples of lens behavior..

Research — Handheld Shooting

Research into sharpness of handheld images with and without image stabilization.

Research — Tripods and Camera Technique

Stability of tripods and ballheads, controlling camera vibration, selecting equipment..

Panasonic S1R

High-resolution L-mount full-frame from Panasonic..

Panasonic S1R Image Quality

Aspects of image quality..

Panasonic S1R Multi-Shot High-Res Mode

Evaluating Multi-Shot High-Res Mode..

Panasonic Lumix S 24-105mm f/4 Macro OIS

All-arounder entry-level mid-range zoom for L-Mount..

Panasonic Lumix S PRO 50mm f/1.4

Premium fast normal lens for L-Mount..

Panasonic Lumix S PRO 70-200mm f/4 OIS

Image stabilized classic 70-200mm for L-Mount..

Leica 35mm f/2 APO-Summicron-SL ASPH

Fast apochromatic prime lens for L-Mount cameras..

Leica 50mm f/1.4 Summilux-SL ASPH

Fast apochromatic prime lens for L-Mount cameras..

Leica 75mm f/2 APO-Summicron-SL ASPH

Fast short telephoto lens for L-Mount cameras..

Leica 90mm f/2 APO-Summicron-SL ASPH

Fast short telephoto lens for L-Mount cameras..

Leica SL Lenses

Leica’s offerings in L-mount..

Leica 16-35mm f/3.5-4.5 Super-Vario-Elmar-SL ASPH

Ultra wide angle premium zoom lens relying on distortion correction..

Leica 24-90mm f/2.8-4 Vario-Elmarit-SL ASPH OIS

All-arounder zoom with dubious optical compromises..

Gigapan Epic Pro

Gigapixel images, automated..

Sigma SD1 Merrill

Sigma/Foveon true-color sensor in a DSLR body..

Nikon D850

The best becomes better..

Nikon D850 Image Quality

Oustanding image quality, but with some limitations..

Nikon D810

Improvements on the workhorse D800E..

Nikon D800E

36 megapixels in a compact full-frame DSLR..

Nikon D800 / D800E Image Quality Best Practices

Image quality best practices and how-to with the Nikon D800/D800E..

Nikon D800E vs D800

D800E supplement and comparisons with Nikon D800..

Overview of Video with Nikon D800, D800E, D4, Canon 5DM3

How does video quality compare with crop of mid-2012 DSLRs?.

Nikon D800E vs Canon EOS 5D Mark III

Comparing the 2012/2013 high-res pro DSLRs..

Nikon D4

Nikon’s pro-body high speed low light wonder..

Nikon D5

High speed big brick shooter..

Nikon D3200

24-megapixel APS-C consumer DSLR..

Canon EOS 1D X

18 megapixel big black brick, Canon’s top of the line DSLR..

Canon EOS 5D Mark III

22 megapixel successor to the popular 5D Mark II..

Canon EOS 5DS / 5DS R

50 megapixel successor to the 22 megapixel Canon 5D Mark III..

Nikon D3s

Nikon D3s low-light versatile DSLR..

Nikon AF-S 28mm f/1.4E ED

Nikon’s finest wide angle lens..

Nikon AF-S NIKKOR 70-200mm f/2.8E FL ED VR

Nikon’s finest 70-200 zoom as of 2017..

Nikon AF-S 70-200mm f/4 ED VR and 70-200mm f/2.8 ED VR II

Which speed zoom for the Nikon D800/D800E?.

Nikon AF-S 70-200mm f/2.8G ED VR II

Nikon’s bread and butter telephoto zoom.

Sony A900

The 24.6 megapixel Sony A900 digital SLR is compared with Canon’ top-of-the-line 21.1MP EOS 1Ds Mark III. A field report including two comparisons with the Canon 1Ds Mark IIII, example images in color and black and white, and the Zeiss ZA 135mm f/1.8 Sonnar. Anti-Shake (SteadyShot) is assessed, as is noise behavior..

Nikon AF-S Nikkor 200mm f/2G ED VR II

Ultra fast 200mm with gorgeous bokeh and high resolving power..

Nikon D3x 24.4-megapixel DSLR review

Includes: D3x resolution comparisons (res chart) with Nikon D3, Canon EOS 1Ds Mark III, resolution comparison on outdoor shot with Nikon D3, large examples, large wildlife examples, Nikon 200mm f/2 VR on D3x, long exposure noise ISO series, D3x sensitivity on diffraction, D3x dynamic range at ISO 100 vs ISO 50, D3x vs D3 color and noise..

Canon 1D Mark IV

Canon 1D Mark IV 16-megapixel DSLR..

Nikon vs Canon: noise and sharpness

Nikon vs Canon: Noise and Sharpness.

Canon 14mm f/2.8L II

In-depth review of the Canon EF 14mm f/2.8L II including flare, distortion, field curvature, resolution charts, numerous field examples and comparison to the Nikon 14-24mm f/2.8G. The Canon EF 14/2.8L II is a superb lens, but with some peculiarities which may enhance or degrade its appeal for different uses. The review is as much a “user guide” as a review; even if you use this lens it’s well worth your time to read this review..

Voigtlander 20mm f/3.5 Color-Skopar

Very compact ultra wide angle..

Voigtlander 40mm f/2.8 SL II Color-Skopar

Ultra compact normal lens..

Voigtlander 90mm f/3.5 APO-Lanthar SL II

Medium telephoto with world-class chromatic correction..

Canon TS-E 45mm f/2.8

Normal lens with tilt/shift.

Canon TS-E 90mm f/2.8

Medium telephoto tilt/shift lens.

Canon TS-E 135mm f/4L Macro

Medium-long telephoto tilt/shift lens.

Nikon 19mm f/4E ED PC-E

Ultra wide tilt/shift lens.

Nikon 85mm f/2.8D PC-E Micro-Nikkor

Medium telephoto tilt/shift macro focusing lens.

  1. MTF

Shift Lenses for Nikon and Canon

[Older material, but still relevant]. Shift lens performance of Nikon/Canon/Schneider/Olympus on various cameras..

28mm Shift Lenses for Nikon

[Archive] In-depth review on the Nikon D2x of the Nikon 28mm f/3.5 PC-Nikkor, Nikon 28mm f/4 PC-Nikkor and the Schneider 28mm f/2.8 PC-Super-Angulon. Flare, distortion, color fringing, color rendition, sharpness, ergonomics, aligmnent, sample variation..

Historical perspective on digital technology.

The rapid evolution of digital imaging quality..

Landscape Photography at Wide Apertures

Escape the banale postcard look by shooting landscapes at f/1.4 or f/0.95..

Pentax K-1 Mark II

Verions 2 — 36-megapixel full-frame DSLR with SuperRes Pixel Shift Mode..

Pentax K-1

36-megapixel full-frame DSLR with SuperRes Pixel Shift Mode..

Pentax HD FA 15-30mm f/2.8 ED SDM WR

Full frame ultra wide angle zoom..

Pentax HD DA 24-70mm f/2.8 SDM ED

Bread and butter zoom lens..

Pentax HD FA 50mm f/1.4 SDM AW

All-new high performance design..

Pentax SMCP-FA 43mm f/1.9 Limited

Full frame slightly wide normal lens, pancake form factor..

Pentax smc PENTAX-FA 77mm f/1.8

Full frame medium telephoto..

Pentax smc P-D FA 50mm f/2.8 Macro

Macro lens focusing to life size 1:1 in a normal lens..

Pentax smc Pentax-D FA 100mm f/2.8 WR Macro

Macro lens focusing to life size 1:1..

Pentax K-3 II (APS-C)

24-megapixel APS-C DSLR with SuperResolution true-color..

Pentax HD DA Limited 15mm f/4 ED

APS-C wide angle lens equivalent to 22mm on full-frame..

Pentax HD DA Limited 20-40mm f/2.8-4 ED DC WR

APS-C mid-range zoom equivalent to 30-60mm on full-frame..

Pentax HD DA Limited 21mm f/3.2 AL

APS-C moderate wide angle lens equivalent to 33mm on full-frame..

Pentax HD DA Limited 35mm f/2.8 Macro

APS-C normal lens equivalent to 53mm on full-frame..

Pentax HD DA Limited 40mm f/2.8

APS-C slightly tele normal lens equivalent to 60mm on full-frame..

Pentax HD DA Limited 70mm f/2.4

APS-C moderate telephoto equivalent to 105mm on full-frame..

Canon 24mm f/2.8 IS USM

Canon’s compact high-performance 24mm prime..

Canon 40mm f/2.8 STM

Canon’s tiny and lovely pancake lens..

Canon 50mm Lenses

Is Canon’s f/1.2 lens really better than an inexpensive f/1.4 or f/1.8?.

Canon 85mm f/1.4L IS USM

Canon’s best-ever medium telephoto and with image stabilization..

Canon 85mm Lenses

Canon’s ultra-fast medium telephoto compared and in the field.

Canon TC III

Do Canon’s 1.4X and 2X version III tele extenders offer image quality at reasonable apertures?.

Canon 100mm f/2.8L Macro IS

Canon 100mm f/2.8L Macro IS .

Canon 35mm f/1.4L II

Canon’s updated fast 35mm prime, evaluated on Canon 5DS R..

Canon 35mm f/2 IS

Canon’s image stabilized 35mm..

Canon 200-400mm f/4L IS

Canon’s versatile super telephoto..

Tamron SP 15-30mm f/2.8 Di VC USD

Tamron’s ultra wide to medium fast zoom..

Sigma 12-24mm f/4 DG HSM Art

Fast constant-aperture ultrawide zoom..

Sigma 14-24mm f/2.8 DG HSM Art

Superwide optimized zoom lens..

Sigma 24-35mm f/2 DG HSM Art

Mid-range optimized groundbreaking f/2 zoom..

Sigma 24-70mm f/2.8 DG HSM Art

High performance mid-range zoom..

Sigma 24-105mm f/4 DG HSM Art

Wide angle to telephoto all purpose zoom..

Sigma 14mm f/1.8 DG HSM Art

A whopping 4/3 stop faster than other lenses in its range..

Sigma 20mm f/1.4 DG HSM Art

The fastest extreme wide angle yet..

Sigma 24mm f/1.4 DG HSM Art

Sigma’s fast high performance wide angle..

Sigma 28mm f/1.4 DG HSM Art

Extraordinary optical efforts for outstanding performance..

Sigma 35mm f/1.4 DG HSM Art

Sigma’s fast and affordable moderate excellent wide angle..

Sigma 40mm f/1.4 DG HSM Art

Extraordinary optical efforts for outstanding performance..

Sigma 50mm f/1.4 DG HSM Art

Sigma’s fast high performance normal lens..

Sigma 70-200mm f/2.8 DG OS HSM Sports

Extraordinary optical efforts for outstanding performance..

Sigma 85mm f/1.4 DG HSM Art

Sigma’s best portrait lens..

Sigma 105mm f/1.4 DG HSM Art

Extraordinary optical efforts for class-leading performance?.

Sigma 135mm f/1.8 DG HSM Art

Fastest 135mm lens yet, with ultra high performance..

Sigma Telephoto APO Macro Lenses: 150mm, 180mm

Sigma’s fast telephoto APO macro lenses..

Sigma Super Tele Varifocal 120-300mm f/2.8 DG OS HSM S

Sigma’s fast an flexible moderate super telephoto..

Schneider PC-TS Perspective Control Tilt/Shift Lenses

Tilt/Shift by Schneider for Canon and Nikon and other brands..

Schneider PC-TS Super-Angulon 28mm f/4.5 HM Aspheric

Wide angle tilt/shift lens at 28mm..

Sigma 50mm f/1.4 EX DG HSM on Canon EOS 1Ds Mark III

The Sigma 50mm f/1.4 is a worthy contender in the crowded 50mm area. See how it performs compared to the Canon EF 50/1.4 and EF 50/1.2L..

180mm Lenses for the Nikon D3x

Explores options for 180mm lenses on the Nikon D3x, including the Leica 180/2.8 APO-Elmarit-R in Nikon mount, Nikon 180/2.8 ED, Nikon 70-200/2.8 VR, Nikon 70-300/4.5-5.6 VR, and Tamron 70-200/2.8. Updated: now includes the Voigtlander 180/4 APO!.

Nikon AF-S 24-120mm f/4G VR

Nikon’s latest wide range zoom with vibration reduction and fixed f/4 aperture..

Nikon 35mm f/1.4 AIS

Nikon’s classic-design manual focus moderate wide angle..

Nikon 50mm f/1.2 AIS

Nikon’s classic high speed normal lens.

Nikon AF-S Nikkor 50mm f/1.4G

Nikon’s latest 50mm lens compared with the Zeiss ZF 50/1.4, Nikon 50/1.4D and Sigma 50/1.4..

Nikon AF-S Nikkor 50mm f/1.8G

Nikon’s High Performance Moderately-Priced 50mm..

Nikon AF-S Nikkor 58mm f/1.4G

Nikon’s High performance normal lens.

Canon 24mm f/1.4L II

State of the art design in a fast ultra wide angle lens..

Nikon AF Micro Nikkor 200mm f/4.0D IF-ED

Nikon’s workhorse 200mm macro lens, and not just sharp at close-ups!.

Nikon AF-S Nikkor 20mm f/1.8G

Nikon’s fast ultra wide angle..

Nikon AF-S Nikkor 24-70mm f/2.8E ED VR

Versatile image-stabilized mid-range zoom..

Nikon AF-S Nikkor 24mm f/1.8G

Versatile autofocus wide angle..

Nikon AF-S 24mm f/1.4G ED

State of the art design in a fast 24mm lens. Includes full-resolution images at f/1.4..

Nikon AF-S 60mm f/2.8G Macro

Comparing the new Nikon 60mm to its predecessors, and the Coastal Optics 60/4 APO..

Coastal Optics 60mm f/4 UV-VIS-IR APO Macro

A superlative multi-spectral lens with perfect color correction..

Canon 11-24mm f/4L USM

Extreme wide angle zoom..

Canon 16-35mm f/2.8L III

Is the 3rd time the charm?.

Canon 16-35mm f/4L IS

Canon’s compact image stabilized wide angle zoom..

Canon 24-70mm f/2.8L II and 24-70mm f/4L IS

Canon’s premium mid-range zooms..

Nikon AF-S 28mm f/1.8G

A fast moderate wide angle lens with some practical difficulties..

Nikon AF-S 35mm f/1.4G

State of the art design in a fast 35mm lens..

Nikon AF-S 35mm f/1.8G

Relatively inexpensive alternative to the pro 35/1.4G..

Nikon AF-S 85mm f/1.4G

State of the art design in a fast 85mm lens..

Nikon AF-S 105mm f/1.4E ED

Nikon’s best-ever f/1.4 lens?.

Nikon 105mm f/2 DC

Strong telephoto lens with special control over spherical aberration..

Nikon AF-S 300mm f/2.8 VR II

Does high price guarantee quality control and superb images?.

Nikon AF-S 300mm f/4E PF ED VR

Compact and lightweight travel-friendly telephoto..

Nikon AF-S 200-500mm f/5.6E ED VR

Relatively compact super-telephoto zoom..

Nikon Ultra Wide Zooms

Comparing Nikon 16-35mm f/4 VR, 17-35mm f/2.8, 14-24mm f/2.8, 18-35mm, 24-70mm f/2.8 along with Nikon 20mm f/3.5, 24mm f/2, 28mm f/2, 35mm f/1.4 AIS, and more..

Canon 800mm f/5.6L IS Super Telephoto

A review of Canon’s 800m f/5.6L IS super telephoto, with high performance that demands technical mastery to use well..

Canon 200mm f/1.8L USM

Coveted super speed telephoto..

Canon EF 70-200mm f/2.8L IS II

A review of Canon’s new 70-200mm zoom, along with comparisons to other models and the 200mm f/2L IS. Extensive comparisons at multiple focal lengths..

Canon EF 100-400mm f/4.5-5.6L IS II

A review of Canon’s new 100-400mm zoom.

Canon-Wide Angle Prime Lenses

Comparing the 16-35mm f/2.8L II to most of Canon’s wide angle prime lenses. Optical performance, ergonomics, focus, build quality..

Canon Ultra-wide Zoom Lenses: 17-40 and 16-35

Comparing the Canon 17-40mm f/4L and 16-35mm f/2.L II..

Nikon AF 16mm f/2.8D Fisheye

Exploring the 16mm fisheye for landscape photography, and correcting fisheye distortion..

Nikon AF-S 14-24mm f/2.8G ED

Nikon’s ultra wide angle zoom and the Nikon 14mm f/2.8, critical focus shift behavior..

Hartblei 40/80/120mm SuperRotators

Medium format Zeiss glass in Hartblei precision tilt/shift lens barrels!.

Rokinon 24mm f/3.5 Tilt-Shift Lens

Perspective control for architecture or landscape as an alternative to Nikon and Canon brand name offerings..

Samyang 14mm f/2.8

Ultra wide angle lens for Canon and Nikon..

Focus Shift In-Depth

Focus shift assesments of a wide variety of lenses of various brands. Shows a range of apertures for each lens and the mount of focus shift, discusses how to compensate for it..

Medium Format Magazine

Articles written for MediumFormat.com..

Fujifilm GFX100 Focus Stacking and FOCUS BKT

100 megapixels in a portable package!.

Fujifilm GFX100 Image Quality

Aspects of image quality..

Adapting Other Lenses to Fujifilm GFX

Adapting lenses delivers degraded results in most cases..

Fujifilm GFX 50S Image Quality

Image quality assessments..

Fujifilm GF 23mm f/4 R WR

Ultra wide angle equivalent to 19mm f/3.3. .

Fujifilm GF 32-64mm f/4 R LM WR

Mid-range zoom lens equivalent to 26-53mm f/3.3..

Fujifilm GF 45mm f/2.8 R WR

Moderate wide angle equivalent to 37mm f/2.3..

Fujifilm GF 63mm f/2.8 R WR

Standard normal lens equivalent to 52mm f/2.3..

Fujifilm GF 110mm f/2 R WR

Ultra high speed telephoto equivalent to 90mm f/1.6..

Fujifilm GF 120mm f/4 Macro R LM OIS WR

High performance macro photography on medium format, equivalent to 99mm f/3.3..

Fujifilm GF 250mm f/4 OIS R WR

Telephoto equivalent to 200mm lens. .

Hasselblad H6D-100C

How does the very best perform in the field?.

Hasselblad HC 50mm f/3.5 II

High performance moderate wide angle.

Hasselblad HC Macro 120mm f/4 II

High performance all-arounder macro lens.

Hasselblad X1D

Mirrorless large format with leaf shutter lenses..

Hasselblad X1D Imaging Quality

Performance both in the field and controlled conditions..

Hasselblad XCD 21mm f/4

18mm equivalent..

Hasselblad XCD 30mm f/3.5

25mm equivalent..

Hasselblad XCD 45mm f/3.5

37mm equivalent..

Hasselblad XCD 90mm f/3.2

Medium format telephoto lens, 74mm equivalent..

Hasselblad XCD 120mm f/3.5

Telephoto macro lens, 99mm equivalent..

Pentax 645D 40-Megapixel Medium Format DSLR

A price/performance breakthrough?.

Pentax 645Z Image Quality

High end image quality, but what about lenses?.

Pentax 645 Lenses (645D tests)

A variety of 645 lens tests on the 645D.

Pentax SMC DA 645 25mm f/4 AL (IF) SDM AW

Ultra wide angle lens for Pentax 645..

Pentax HD 35mm f/3.5 AL [IF]

Moderate wide angle lens for Pentax 645..

Pentax 645 HD DA 28-45mm f/4.5 ED AW SR

Wide angle zoom for Pentax 645..

Pentax 645 90mm f/2.8 D FA 645 Macro ED AW SR

Medium telephoto macro lens for Pentax 645 digital and film..

Hasselblad H4D 50 Megapixel Medium Format DSLR

How does Hasselblad’s 3rd generation medium format entry measure up?.

Rolleiflex Hy6 Mod 2 Medium Format System

Lens performance at 80 megapixels..

Mamiya DL28 medium format 28 megapixel system

The Mamiya DL28 offers the Mamiya 645 AFD III, the new Sekor AF 80mm f/2.8D lens and the Leaf Aptus-II 6 digital back. Image quality is outstanding and the DL28 should definitely be considered by anyone looking into medium format..

Leica S2 37.5 Megapixel Medium Format DSLR

How does Leica’s medium format entry measure up in ergonomics, image quality, etc?.

Leica S Examples

Examples and comparison from the various lenses.

Lenses

Lenses for the Leica S2 (original Leica S2 material).

Leica S Typ 006

The last CCD-sensor Leica S model..

Leica 24mm f/3.5 Super-Elmar-S ASPH

Extreme wide angle with ultra high performance..

Leica 30-90mm f/3.5-5.6 Vario-Elmar-S ASPH

All-arounder zoom for Leica S.

Leica 35mm f/2.5 Summarit-S ASPH

Pleasing moderate wide angle performer..

Leica 45mm f/2.8 Elmarit-S ASPH

Moderate wide angle with low distortion..

Leica 100mm f/2 Summicron-S ASPH

The fastest S lens..

Milvus 15mm f/2.8

Milvus garb for the venerable 15/2.8 Distagon, with improved lens coating..

Milvus 18mm f/2.8

An outstanding 18mm design..

Milvus 21mm f/2.8

The classic 21/2.8 Distagon improved..

Milvus 25mm f/1.4

Highest performing 25mm from Zeiss ever..

Milvus 35mm f/1.4

Highest performing 35mm from Zeiss ever..

Milvus 35mm f/2

Classic design in the latest Milvus build..

Milvus 50mm f/1.4

Outstanding build and optical quality in a normal lens..

Milvus 50mm f/2M

The classic 50/2 Makro-Planar improved..

Milvus 85mm f/1.4

Outstanding build and optical quality in a medium tele..

Milvus 100mm f/2M

The classic 100/2 Makro-Planar improved..

Milvus 135mm f/2

An Otus, in effect. Milvus garb for the 135/2 APO, with improved lens coatings on one element. See the ZF.2/ZE 135/2 review pages..

Introduction

Start here to best utilize this guide..

Optical Performance

Sharpness and rendering..

15mm f/2.8 Distagon

Ultra high performance in an extreme wild wide angle lens..

18mm f/3.5 Distagon

A brilliant, but also colorful character..

21mm f/2.8 Distagon

Brilliant imaging, even wide open, but with a few quirks. (Review in progress) .

25mm f/2 Distagon

Ultra high performance with a fast aperture..

25mm f/2.8 Distagon

A gem with unusual close-focus..

28mm f/2 Distagon

An artist’s drawing tool..

35mm f/1.4 Distagon

Strokes of a master..

35mm f/2 Distagon

Balance and poise..

50mm f/1.4 Planar

Brilliant imaging in a compact package..

50/1.4 Planar vs 50/2 Makro-Planar

Comparing the two 50mm options near and far, more comparisons coming..

50mm f/2 Makro-Planar

Versatility in a “normal” lens and macro too!.

Otus 28mm f/1.4 APO-Distagon

Fast high performance APO wide angle..

Otus 55mm f/1.4 APO-Distagon

Ultra high performance apochromatic normal lens, first in the Otus line..

Otus 55mm f/1.4 APO-Distagon Rendering Style

Rendering style, bokeh and beauty..

Otus 85mm f/1.4 APO-Planar

Ultra high performance apochromatic medium telephoto, overview and technical..

Otus 85mm f/1.4 APO-Planar Rendering Style

Rendering style, bokeh and 'transparency' without peer..

Otus 100mm f/1.4 APO-Sonnar

Razor sharp with gorgeous bokeh..

85mm f/1.4 Planar

True-to-life imagery..

100mm f/2 Makro-Planar

King of bokeh! Corner-to-corner sharpness, world class..

135mm f/2 APO-Sonnar

Beautiful bokeh, razor sharp, superb color correction..

Conclusions

Summary and wrap-up..

Reading the publications.

Tips for getting the most out of diglloyd publications..

Zeiss LensSpire Articles

Articles written for Lenspire.ZEISS.com..

Photography Lighting

Lighting for various situations..

Binoculars

What to look for in a binocular, plus reviews..

Travel and Places

Out of the way places and wonders..

Understanding optics

Understanding lens performance..

Depth of Field

[ARCHIVE, see Making Sharp Images]. Exploring depth of field..

Diffraction

The limits of resolution are governed by physics..

Focus

Focus accuracy and focus shift..

Misc Reviews

Miscellaneous reviews..

Lens and Camera Issues

Good stuff and not so good stuff..

Brand-new Blur

Blurry lenses right out of the box..

Dell UP2715K: 5K Display

Bleeding edge with dual inputs has some issues..

Dell 4K UltraHD UP2414Q

A jaw-dropping visual experience for video or stills..

LG 31MU97-B 4096 X 2160 4K Display

Selected computer hardware topics..

NEC Wide-Gamut Displays for Photographers

See the color that is really there!.

NEC 4K Ultra HD PA322UHD Professional Display

A expansive and accurate visual experience for video or stills..

NEC 4K Ultra HD EA244UHD

Another jaw-dropping visual experience for video or stills..

Software issues.

[ARCHIVE] Software and related for photographers..

Ask Lloyd Chambers

Questions and answers on photography and computers and more..

Photo Tips

Photography Hints and Tips..

Grab Bag

Various articles..

Zeiss ZF.2 and Zeiss ZE Lenses For Canon and Nikon

Zeiss ZF.2 and Zeiss ZE Lenses For Canon and Nikon.

15mm f/2.8 Distagon Zeiss Interview

Q&A on the 15/2.8 Distagon with Dr. Hubert Nasse.

Coastal Optics 60mm f/4 UV-VIS-IR APO Macro

A reference lens for color correction..

Hartblei 40/80/120mm SuperRotators

Medium format Zeiss glass in Hartblei precision tilt/shift lens barrels!.

Canon lenses

Overview and assessments of Canon lenses.

Nikon lenses

Overview and assessments of Nikon lenses.

Leica S2 37.5 Medium Format DSLR

Leica S2 37.5 megapixel DSLR and its lenses..

Lenses for Leica M8, Leica M9, M*

Lenses for Leica M cameras, especially the M9.

Infrared

Beyond deep red, seeing the invisible..

Nikon D200 vs D2x

Vintage 2006 comparative review of Nikon D200 vs Nikon D2x..

Canon EOS R

Canon’s first full-frame mirrorless..

Canon RF 35mm f/1.8 Macro STM

All-arounder compact lens with macro capability..

Canon RF 50mm f/1.2L USM

High speed normal lens optimized for Canon mirrorless..

Canon RF 85mm f/1.2L USM

High speed portrait lens optimized for Canon mirrorless..

Canon RF 24-105mm f/4L IS USM

Bread and butter all-around zoom..

Canon RF 28-70mm f/2L USM

Bread and butter all-around zoom..

Nikon Z7 Overview, Setup, General

Setup, IBIS performance, focusing..

Nikon Z7 IBIS and Focusing

Setup, IBIS performance, focusing..

Nikon Z7 Image Quality

Image quality..

Nikon NIKKOR Z 35mm f/1.8 S

Moderate wide angle expressly designed for Nikon Z cameras..

Nikon NIKKOR Z 50mm f/1.8 S

Normal lens expressly designed for Nikon Z cameras..

Nikon NIKKOR Z 14-30mm f/4 S

Ultra wide compact zoom for Nikon Z cameras..

Nikon NIKKOR Z 24-70mm f/2.8 S

Fast mid-range zoom expressly designed for Nikon Z cameras..

Nikon NIKKOR Z 24-70mm f/4 S

Mid-range zoom expressly designed for Nikon Z cameras..

Sony Alpha A7R II

Attention to details: a big upgrade over the A7R..

Sony Alpha A7R III

Attention to details: a solid upgrade over the A7R II..

Sony Alpha A7R II Kolarivision for Leica M

A7R II modified sensor cover glass for Leica M lens performance..

Sony Alpha A7R

Full frame compact mirrorless with interchangeable lenses..

Sony Alpha A7 II

Sensor stabilized 24MP full-frame..

Sony FE 24mm f/1.4 GM

High performance wide angle..

Sony FE 28mm f/2

Fast wide angle..

Sony FE 35mm f/1.4 Distagon ZA

Fast and gorgeous moderate wide angle Zeiss design..

Sony Planar T* FE 50mm f/1.4 ZA

Fast high performance normal lens of Zeiss design..

Sony FE 35mm f/2.8 ZA Sonnar

Compact moderate wide angle for Sony mirrorless..

Sony FE 55mm f/1.8 ZA Sonnar

Compact normal lens for full-frame Sony mirrorless..

Sony FE 85mm f/1.4 GM

Top-grade medium telephoto..

Sony FE 100mm f/2.8 STF GM

Razor sharp medium telephoto with apodization filter..

Sony 90mm f/2.8 Macro G OSS

Native-mount macro length designed by Zeiss..

Sony FE 135mm f/1.4 GM

Top-grade telephoto..

Sigma FE 14mm f/1.8 DG HSM Art

Outstanding fast wide angle, DSLR optical design..

Sigma FE 135mm f/1.8 DG HSM Art

Outstanding fast wide angle, DSLR optical design..

Rokinon 12mm f/2.8 Fisheye

Fisheye lens for Sony mirrorless..

Voigtlander FE Heliar-Hyper 10mm f/5.6 Aspherical III

Anything wider would be a fisheye..

Voigtlander FE Super Wide-Heliar 15mm f/4.5 Aspherical III

Ultra wide native mount manual focus lens for Sony mirrorless..

Voigtlander FE 21mm f/1.4 Aspherical

Fast high performance manual focus wide angle..

Voigtlander FE Nokton Classic 35mm f/1.4

Fast lens speed with curious rendering..

Voigtlander FE Nokton 40mm f/1.2 Aspherical

Fast lens speed for versatile rendering..

Voigtlander FE 65mm f/2 Macro APO-Lanthar Aspherical

Ultra high grade performer at a modest price..

Mitakon Zhongyi Speedmaster 50mm f/0.95

Speed to match the Leica Noctilux..

Meyer-Optik Gorlitz Nocturnus 50mm f/0.95 II

Speed to match the Leica Noctilux-M, based on Mitakon Zonghyi optics..

Sony FE 12-24mm f/4 G

Extreme wide angle zoom..

Sony FE 16-35mm f/2.8 GM

Pro-grade f/2.8 wide angle zoom..

Sony FE 16-35mm f/4 ZA OSS Vario-Tessar

Comapact ultra-wide zoom for Sony full frame mirrorless..

Sony FE 24-70mm f/2.8 GM

Premiere mid-range zoom for Sony full frame mirrorless.

Sony FE 24-105mm f/4 G OSS

Wide angle to telephoto zoom with optical stabilization..

Sony FE PZ 28-135mm f/4G OSS

Wide mid-range zoom targeted at video shooters..

Sony FE 24-70mm f/4 OSS Vario-Tessar

Comapact mid-range zoom for Sony full frame mirrorless.

Sony FE 70-200mm f/2.8 GM OSS

Premiere telephoto zoom for Sony full frame mirrorless.

Sony FE 70-300mm f/4.5-5.6 G OSS

Compact long range telephoto zoom for Sony full frame mirrorless.

Lensbaby Velvet 56mm f/1.6

Special effect lens..

Venus Optics Laowa 12mm f/2.8 Zero-D

Extreme wide angle with 'zero distortion'..

Venus Optics Laowa 105mm f/2 STF

Manual focus apodized lens for ultra smooth focus..

Samyang FE 14mm f/2.8

Ultra wide angle lens adapted from DSLR, native E-mount, all manual..

Samyang FE 24mm T/1.5

Wide angle lens adapted from DSLR, native E-mount, all manual..

ALLVIEW—Any Lens Live View Camera

Eliminating the camera body barrier— any kind of lens with Live View EVF and LCD.

Ricoh GXR with A12 Mount for Leica M Lenses.

Use Leica M lenses on a digital back designed for them..

Leica M Lenses on Olympus OM-D E-M5

Does pricey M glass deliver on mirrorless?.

Fujifilm Finepix X100

The best compact big-sensor digital camera yet?.

Nikon Coolpix A

Fixed 28mm lens with APS-C sensor free of anti-aliasing blur with wonderful color..

Ricoh GR

Razor sharp 28mm lens on APS-C sensor and outstanding usability and features..

Sony Cybershot RX1R II

Diminutive full-frame camera with 35mm f/2 fixed lens..

Sony Cybershot DSC-RX1 / RX1R

Full frame camera in an ultra-compact body with or without anti-aliasing filter..

Sony DSC-RX100

Stunningly high image quality in a 20MP point and shoot tiny camera..

Sony DSC-RX10 III

Stunningly high image quality in a 20MP point and wide range zoom..

Olympus Zuiko SHG 7-14mm f/2 ED

Ultra high performance ultra-wide zoom lens..

Olympus Zuiko SHG 14-35mm f/2 ED

Ultra high performance zoom lens..

Olympus Super High Grade (SHG) Four Thirds Lenses

Ultra high performance lenses..

Olympus M.Zuiko 7-14mm f/2.8 PRO

Wide angle zoom equivalent (14-28mm equivalent)..

Olympus Zuiko 12mm f/2 ED

A compact high performance fast wide angle..

Olympus Zuiko 12-40mm f/2.8 PRO Zoom

A high performance mid-range zoom..

Olympus M.Zuiko 17mm f/1.8

A fast moderate wide angle..

Olympus M.ZUIKO DIGITAL 60mm f/2.8 ED Macro

Native Micro Four Thirds macro lens..

Olympus Zuiko 75mm f/1.8 ED Telephoto

Beautiful bokeh, long reach fast speed, compact lens..

Olympus M.Zuiko Digital ED 300mm f/4 IS PRO

Super telephoto with superb bokeh and color correction..

Panasonic Lumix G 8mm f/3.5 Fisheye

A fisheye with great contrast and high resolving power..

Panasonic Leica DG Vario-Elmarit 8-18mm f/2.8-4 ASPH

Compact wide angle equivalent to 16-36mm..

Panasonic Leica DG Summilux 15mm f/1.7 ASPH Micro 4/3

A weak sibling covers the wide end.

Panasonic Leica DG Summilux 25mm f/1.4 ASPH Micro 4/3

A fast and lovely 'normal' lens (50mm equiv) for Micro 4/3..

Sigma DN 19mm f/2.8

Wide angle for Micro Four Thirds or Sony E Mount/NEX..

Sigma DN 30mm f/2.8

Normal lens for Micro Four Thirds or Sony E Mount/NEX..

Panasonic Leica DG Nocticron 42.5mm f/1.2 ASPH

Fast, bright and highly corrected medium telephoto..

Olympus OM-D E-M1

A worthy upddate to the E-M5 with pro-grade build quality..

Olympus OM-D E-M5

Superb ergonomic design in a compact camera..

Olympus OM-D E-M5 Mark II

Updated model with HighRes sensor shift mode..

Comparisons across format.

Can smaller sensor cameras compete with larger ones on any basis?.

Olympus E-P1 micro-4/3 camera

Great image quality, but....

Panasonic G-1 micro-4/3 camera

Panasonic G-1 especially compared to the Olympus E-P1. Intriguing results with RAW vs in-camera JPEG. RAW file included for your own analysis..

Fujifilm X-E1

Compact sibling of the Fujifilm X-Pro1.

Fujifilm X-Pro1

Interchangeable lenses on a 16MP APS-C sensor.

Fujifilm X-Pro2

Fujifilm's 24MP APS-C offering..

Fujifilm XF 10-24mm f/4 R OIS

Wide angle zoom equivalent to 15-36mm.

Fujifilm Fujinon XF 14mm f/2.8 R

A low distortion ultra wide angle lens..

Fujifilm Fujinon XF 18mm f/2 R

A compact fast pancake lens..

Fujifilm Fujinon XF 18-55mm f/2.8-4 R

Fujifilm’s kit zoom for the X-E1.

Fujifilm XF 23mm f/1.4 R

Compact moderate wide angle..

Fujifilm Fujinon XF 35mm f/1.4 R

A fast normal lens..

Fujifilm Fujinon XF 56mm f/1.2

A bright short telephoto lens..

Fujifilm XF 56mm f/1.2 APD

Apodization filter version of the 56/1.2..

Fujifilm Fujinon XF 60mm f/2.4 R

Short telephoto macro lens..

Sony NEX-7 and NEX-5N

24 or 16 megapixels in a compact body with APS-C sensor..

Sony Alpha A6000

Value camera: 24 megapixel APS-C sensor with EVF and vibration-free shutter..

Zeiss 24mm f/1.8 for Sony NEX

Moderate wide angle for Sony NEX..

Metabones SpeedBooster for Sony NEX

Use DSLR lenses at ~native focal length, and gain a stop of speed..

Zeiss Loxia 21mm f/2.8 Distagon

Outstanding ultra wide angle performer..

Zeiss Loxia 25mm f/2.4 Distagon

Outstanding wide angle, superb performer..

Zeiss Loxia 35mm f/2 Biogon

Manual focus moderate wide angle for full-frame mirrorless..

Zeiss Loxia 50mm f/2 Planar

Manual focus normal lens for full-frame mirrorless..

Zeiss Loxia 85mm f/2.4 Sonnar

Manual focus telephoto lens for full-frame mirrorless..

Zeiss Batis 18mm f/2.8 Distagon

Autofocus extreme wide angle for Sony full-frame mirrorless..

Zeiss Batis 25mm f/2 Distagon

Autofocus wide angle for Sony full-frame mirrorless..

Zeiss Batis 40mm f/2

All-around slightly wide angle/normal with close focus..

Zeiss Batis 85mm f/1.8 Sonnar

Autofocus portrait lens for Sony full-frame mirrorless..

Zeiss Batis 135mm f/2.8 APO-Sonnar

Apochromatic pin-sharp medium telephoto for Sony full-frame mirrorless..

Zeiss Touit 12mm f/2.8 Distagon

Ultra wide angle lens for Sony NEX or Fujifilm X..

Zeiss Touit 32mm f/1.8 Planar

Normal lens for Sony NEX or Fujifilm X..

Zeiss Touit 50mm f/2.8M

Moderate telephoto macro lens for Sony NEX or Fujifilm X. Useful on full frame too!.

Leica X Vario

Leica’s 28-70mm APS-C compact camera..

Leica X2

Leica’s large-sensor 'affordable' compact camera..

Overview of Sigma Foveon Sensor cameras

Foveon X3 true-color sensor for outstanding resolution..

Sigma Photo Pro Software 6.x

Sigma’s raw file processing software, version 6.x..

Sigma sd Quattro

Mirrorless Sigma Quattro sensor with interchangeable lenses..

Sigma sd Quattro H

Mirrorless Sigma Quattro larger APS-H sensor with interchangeable lenses..

Sigma dp Quattro Cameras

Mid-2014 models with newly designed 3-layer APS-C sensor..

Sigma dp0 Quattro

21mm f/5.6 equivalent FOV lens..

Sigma dp2 Quattro

45mm f/2.8 equivalent FOV lens..

Sigma DP1 Merrill

28mm f/2.8 equivalent lens on APS-C sensor..

Sigma DP2 Merrill

45mm f/2.8 equivalent lens on APS-C sensor..

Sigma DP3 Merrill

75mm f/2.8 equivalent lens on APS-C sensor..

Sigma DP-2 with Foveon X3 sensor

[Archive] Sigma DP-2 with the amazing Foveon X3 sensor (original, LOW RES camera, not a Merrill)..

Leica M10

Leica M mount in slim body with SL-type sensor..

Leica M Typ 240 Usability Issues

Specific issues affecting usability..

Leica M Typ 240 In Use

Overall design and behavior..

Leica M Typ 240 Compared To Full Frame Cameras

Relative sharpness and performance across cameras..

Leica M Typ 240 Compared To APS-C Cameras

Relative sharpness and performance vs APS-C cameras..

Leica M Monochrom (original)

Ultimate resolution in black and white..

Leica M Monochrom Typ 246

24-megapixel CMOS monochrome sensor..

Leica M Monochrom In the Field

Field shooting the Leica MM, and comparisons..

Leica Q (Typ 116)

24-megapixel fixed lens compact full-frame..

M9: User’s Guide and Review

High resolution digital rangefinder.

Considerations in choosing a lens.

Focal lengths, color, weight and travel considerations. [relevant, but dated/old material].

Leica 16-18-21mm f/4 Tri-Elmar-M ASPH

Leica’s ultra wide angle zoom lens..

Leica 18mm f/3.8 Super-Elmar-M ASPH

Leica’s widest prime lens..

Leica 21mm f/1.4 Summilux-M ASPH

Leica’s fastest and widest lens..

Leica 21mm f/3.4 Super-Elmar-M ASPH

Leica’s best-performing 21mm..

Leica 24mm f/1.4 Summilux-M ASPH

Leica’s fast wide angle..

Leica 24mm f/2.8 Elmarit-M ASPH

A discontinued but excellent 24mm..

Leica 24mm f/3.8 Elmar-M ASPH

Leica’s best-performing 24mm, and with a flat field..

Leica 28mm f/1.4 Summilux-M ASPH

Leica’s fast 28mm..

Leica 28mm f/2 Summicron-M ASPH (pre-2016)

Leica’s widest lens utilizing built-in frame lines..

Leica 28mm f/2 Summicron-M ASPH (2016)

Tweaked 2016 redesign..

Leica 28mm f/2.8 Elmarit-M ASPH (2016)

Tweaked 2016 redesign of Leica’s petite performer..

  1. MTF

Leica 28mm f/2.8 Elmarit-M ASPH (pre-2016)

Leica’s smallest and lightest M lens with superlative performance..

Leica 35mm f/1.4 Summilux-M ASPH (2010 FLE)

Leica’s superlative and most natural lens for the M..

Leica 35mm f/2 Summicron-M ASPH

Leica’s f/2 35mm for the M..

Leica 35mm f/2.5 Summarit-M

Leica’s Budget 35mm lens..

Leica M 50mm Lenses

Six models to choose from..

Leica 50mm f/0.95 Noctilux-M ASPH

World’s fastest 50mm full-frame lens..

50/0.95 Noctilux Rendering Style

Understanding the Rendering Style of the Noctilux..

Leica 50mm f/1.4 Summilux-M ASPH

Leica’s superlative normal lens..

Leica 50mm f/2 APO-Summicron-M ASPH

The world’s best 50mm lens is outstanding, but with some limits..

Leica 50mm f/2 Summicron-M

Leica’s compact low-distortion normal lens..

Leica 50mm f/2.5 Summarit-M

Leica’s Budget 50mm lens..

Leica 75mm f/1.25 Noctilux-M ASPH

Leica’s ultra high grade and ultra fast modern short telephoto..

  1. MTF

Leica 75mm f/2 APO-Summicron-M ASPH

Leica’s medium tele for Leica M..

Leica 75mm f/2.4 (2.5) Summarit-M

Leica’s budget 75mm medium telephoto..

Leica 90mm f/2 APO-Summicron-M ASPH

Leica’s longer tele for Leica M..

Leica 90mm f/2.2 Thambar-M

Leica’s retro telephoto..

Leica 90mm f/2.4 (2.5) Summarit-M

Leica’s compact 90mm for the M..

Leica 90mm f/4 Macro-Elmar-M

Diminutive telephoto and macro lens..

Leica 135mm f/3.4 APO-Telyt-M

Leica’s longest M lens..

Shooting Leica R Lenses on Leica M

General discussion of R lenses on M..

Leica 90mm f/2 APO-Summicron-R ASPH

Compact lens for portraiture or similar..

Leica 100mm f/2.8 APO-Macro-Elmarit-R

Superb all-around macro and general-purpose lens..

Leica 180mm f/2.8 APO-Elmarit-R

World’s best mid-range telephoto lens..

Leica 280mm f/4 APO-Telyt-R

Compact and ultra high performance long telephoto..

Zeiss ZM 15mm f/2.8 Distagon

Notes and examples..

Zeiss ZM 18mm f/4 Distagon

Compact high performance, ultra low distortion..

Zeiss ZM 21mm f/2.8 Biogon

Moderate speed high contrast ultra-wide..

Zeiss ZM 21mm f/4.5 C-Biogon

Zero distortion ultra-wide..

Zeiss ZM 25mm f/2.8 Biogon

Compact wide angle with brilliant contrast..

Zeiss ZM 28mm f/2.8 C-Biogon

Compact wide angle..

Zeiss ZM 35mm f/1.4 Distagon

Fast and ultra high performance moderate wide angle rangefinder lens..

Zeiss ZM 35mm f/1.4 Distagon on Leica SL

A star performer sets the standard on the SL..

Zeiss ZM 35mm f/2 Biogon

All around razor sharp performer..

Zeiss ZM 35mm f/2.8 C-Biogon

Ultra compact high performance moderate wide angle rangefinder lens..

Zeiss ZM 50mm f/2 Planar

Pleasing and relatively inexpensive normal lens.

Zeiss ZM 85mm f/2 Sonnar

Ultra high performance (discontinued).

Zeiss ZM 85mm f/4 Tele-Tessar

Compact high performance medium telephoto..

Voigtlander Ultron 21mm f/1.8

Fast high performance wide angle..

Voigtlander M 50mm f/1.1

A slightly slower, but smaller and lighter alternative to the Noctilux, at 1/10 the price..

ALLVIEW Cameras

ARCHIVAL MATERIAL. Terrific backup bodies or even primary body for M-mount lenses..

ALLVIEW— Any Lens Live View Camera

ARCHIVAL MATERIAL. Eliminating the camera body barrier— any kind of lens with Live View EVF and LCD, and especially Leica M-mount.
HISTORICAL, please see Guide to Mirrorless..


Blog posts, reverse chronological

2019

2019-08-18 Some Fujifilm GFX100 Behaviors also Apply to the coming Sony 7R IV

2019-07-19 Sony A7R IV: Serious Doubts About Viability of Sony 16-Shot High-Res Mode for Field Use

2019-07-02 Reader Comment: How Much Resolution is Enough?

2019-06-29 Zeiss Otus 100mm f/1.4 APO-Sonnar Aperture Series: Painted Rock (Multi-Shot High-Res Mode, Focus Shift)

2019-06-21 Nikon/Canon/Sony Image Quality SUCKS vs Multi-Shot High-Res Mode — Golden Age of Photography Makes me Gripe that Best Ever Cameras Could be Way Better!

2019-06-20 Nikon NIKKOR Z 14-30mm f/4 S Distortion at 14mm, 19.5mm, 30mm

2019-06-19 Announced: Hasselblad X1D-50C II, all-new Hasselblad CFV II 50C Digital Back and Hasselblad 907X

2019-05-26 Focus Shift, a General Discussion

2019-05-18 Zeiss Otus 100mm f/1.4 APO-Sonnar at 187 Megapixels: Church Mosaic Straight-On (Panasonic S1R Multi-Shot High-Res Mode)

2019-05-18 Full MTF Series for Zeiss Otus 100mm f/1.4 APO-Sonnar

2019-05-12 Sharpness and Micro Contrast Losses from Mandatory Distortion Correction with the Nikon NIKKOR Z 24-70mm f/2.8 S

2019-04-25 Thoughts on Ultra High Resolution Imagery with Multi-Shot High-Res Mode

2019-04-21 Panasonic LUMIX S PRO 50mm f/1.4: How Distortion Correction Affects Sharpness in both Single Shot and Multi Shot High Res Mode

2019-04-20 Leica 16-35mm f/3.5-4.5 Super-Vario-Elmar-SL ASPH: Assessing Distortion at 16mm, 25mm, 28mm, 35mm, plus MTF

2019-04-19 Leica 50mm f/1.4 Summilux-SL ASPH: Sharpness Losses from Distortion Correction

2019-04-14 Zeiss ZM 35mm f/1.4 Distagon Aperture Series: Moots MTB by Creek in Forest (Panasonic S1R)

2019-04-08 Panasonic S1R: More Examples of Multi-Shot High-Res Mode vs Standard Resolution

2019-04-08 Panasonic S1R Multi-Shot High-Res Mode: Evaluating How Diffraction Affects Captured Detail and Micro Contrast

2019-04-06 Zeiss Batis 85mm f/1.8: the Negative Sharpness and Micro Contrast Effects of Correcting nearly 3% Pincushion Distortion

2019-02-03 Zeiss ZM 35mm f/1.4 Distagon Aperture Series: Old Mining Engine (Nikon Z7)

2018

2018-11-27 How Good is the Resolving Power of the Pentax K-1 Mark II versus a 100-Megapixel Medium Format Camera

2018-10-16 Zeiss Batis 40mm f/2 CF Arrived, Testing it Soon

2018-10-09 Nikon Z7: Thin 1.1mm Sensor Cover Glass Gives Promise of using M-Mount Lenses with Good Performance

2018-10-09 Nikon Z7: Image Sharpness vs Zone of Focus, Autofocus Error and Mitigation

2018-10-03 Reader Comment: Panasonic S1R with L-Mount Might be the Holy Grail for Leica M Lenses

2018-09-27 Zeiss ZX1 Fixed-Lens Camera

2018-09-27 Zeiss Batis 40mm f/2: Data Sheets Continue to Omit Optical Distortion, Showing Only Corrected Distortion

2018-09-27 Zeiss Batis 40mm f/2 Announced

2018-09-26 Leica S3 Medium Format: an Updated Dinosaur

2018-09-25 Sigma’s Fast New Art Lenses, Plus What Looks to be a 'Killer' 70-200mm f/2.8 Zoom

2018-09-07 MTF Services Unveils the First Lens Adapters for Nikon Z-Mount

2018-09-07 Expectations for Performance of the Canon RF 50mm f/1.2L: One of Many New Lenses in a Golden Age of Optics

2018-09-07 Expectations for Performance of the Canon RF 28-70mm f/2L: Canon’s “Halo Lens” in a Golden Age of Optics

2018-09-07 Canon RF 24-105mm f/4 IS vs Nikon NIKKOR Z 24-70mm f/4 S: What Does the MTF Chart Tell Us?

2018-07-13 Three Sigma for Sony 70mm f/2.8 DG Macro Aperture Series: Closed Flower Seedheads, Yellow Flower, Crooked Pine

2018-06-24 Leica 75mm f/2 APO-Summicron-M ASPH Aperture Series: Two Aspen

2018-05-25 Sigma 105mm f/1.4 DG HSM Art

2018-05-25 Leica 75mm f/1.25 Noctilux-M ASPH

2018-02-14 New Zeiss Loxia 25mm f/2.4 Distagon

2018-01-28 Sony A7R III Pixel Shift: How Distortion Correction Affects Micro Contrast and Sharpness with Sony 24-105/4G OSS @ 24mm

2018-01-28 Sony A7R III Pixel Shift: How Distortion Correction Affects Micro Contrast and Sharpness with Sony 24-105/4G OSS @ 105mm

2018-01-13 Switched back to 2017 iMac 5K from iMac Pro 10-Core: iMac Pro a Net Losing Proposition for Me

2017

2017-12-16 Reader Comments: Sony A7R III

2017-12-04 New Article on Zeiss Lenspire Site: “Getting started with Focus Stacking – How to achieve more detailed images”

2017-11-07 Zeiss Milvus 25mm f/1.4: Optical Construction and Siemens Star MTF Analysis

2017-10-27 Nikon D850: 'Focus shift shooting' Feature Most Important Feature since Live View; Focus Stacking is the ONLY Solution to Full Resolution Images

2017-10-25 Sony Announces Sony Alpha A7R III

2017-10-18 Zeiss Milvus 25mm f/1.4: MTF, Distortion, Vignetting

2017-10-10 Nikon D850: 45 megapixels + Zeiss Milvus 35/1.4 + Focus Stacking Can Make Incredible Detailed Images.

2017-10-05 Zeiss Milvus 35mm f/1.4: Full MTF Series from f/1.4 through f/16

2017-10-01 Nikon D850: the Focusing Distance Issues Stem from a Sensor that is not Parallel to the Lens Mount (Nikon quality control issue)

2017-10-01 D850 vs D810 Sharpness: Pine Creek Forested Hillside

2017-08-29 New Article on Zeiss Lenspire Site: “Micro Contrast and the Zeiss 'Pop'”

2017-08-26 Nikon D850: Turning Those Old Slides and Negatives into Digital Images

2017-08-26 Nikon D850: High Resolution Tilting Rear LCD with Touchscreen

2017-08-23 Nikon Announces the D850, Commentary + Reader Comments

2017-08-11 Reader Comment: NEC PA302W Wide Gamut Professional Display

2017-07-24 The Logjam Breaks: Nikon Discusses the D850

2017-07-21 Sony A7R II Tripod Use: IBIS Damages Image Sharpness as it Always Has

2017-07-20 Leica M10: Moiré

2017-07-15 Reader Comment: Nikon 28mm f/1.4E ED, Fujifilm GF Focus Stability

2017-06-18 Reader Question: Camera/Lens Focus Calibration

2017-06-17 Sigma 135mm f/1.8 DG HSM Art Aperture Series: American Hotel, Cerro Gordo (Nikon D810)

2017-06-12 Sigma 135mm f/1.8 DG HSM ArtAperture Series: Glass Sculpture (Nikon D810)

2017-06-12 Sigma 135mm f/1.8 DG HSM Art Aperture Series: Hotel Cerro Gordo, Deep Dusk (Nikon D810)

2017-06-10 Dell UltraSharp 32 Ultra HD 8K Display is Shipping, Dec 2017 iMac Pro Already Behind the Curve

2017-05-23 Too-High Pixel Density on 5K and 8K Displays Impedes Image Assessment

2017-05-17 Sony FE 12-24mm f/4 G

2017-05-03 Reader Question: Adapting Medium Format Lenses to the Fujifilm GFX

2017-05-03 Fujifilm GFX Sensor Cover Glass Thickness?

2017-05-01 Reader Comments on Adapting 35mm Lenses to the Fujifilm GFX

2017-04-15 Reader Question: Zeiss Batis 135mm f/2.8 for Sony Mirrorless

2017-03-25 Hasselblad X1D Highlight Discrimination and Nuanced Detail Example: Mission Mural

2017-02-25 MTF for Fujifilm GFX GF Lenses

2017-02-25 Fujifilm GFX 50s: Shooting with Different Aspect Ratios

2017-02-02 Sigma sd Quattro-H: Shoots X3F as Usual, or DNG With a Huge Size Penalty

2017-01-27 Is Leica a Credible Player?

2017-01-18 Leica M10: Inertial Design

2017-01-18 Fujifilm GFX 50 Megapixel Medium Format Announced: Hi-Res Display Wonder (EVF, Rear LCD, Top Panel)

2017-01-07 Too-High Pixel Density on 5K and 8K Displays Impedes Image Assessment

2017-01-07 Fabulous Synergy: Olympus E-M1 Mark II + Panasonic 42.5mm f/1.2 Nocticron, Examples from the Las Vegas Strip

2016

2016-12-15 Sigma sd Quattro H Due in Mid January

2016-12-08 Zeiss Milvus 18mm f/2.8: Full MTF Series from f/2.8 through f/16

2016-12-08 Zeiss Loxia 85mm f/2.4 MTF Series from f/2.4 to f/16

2016-12-04 Nikon 19mm f/4E ED PC-E Dual Aperture Series: Evaluating Sharpness at 12mm Shift (Mosaic, Nikon D810)

2016-12-04 Nikon 19mm f/4E ED PC-E Aperture Series: Evaluating Sharpness at 12mm Shift Along the Short Axis (Mosaic, Nikon D810)

2016-11-20 3-Way Shootout: Sigma 85mm f/1.4 DG HSM Art vs Zeiss Milvus 85/1.4 vs Nikon 85/1.4G (Lundy Beaver Ponds, Nikon D810)

2016-11-10 Sigma 85mm f/1.4 DG HSM Art Arriving Friday for Testing

2016-11-07 MTF for the Sigma 85mm f/1.4 DG HSM Art

2016-11-01 Approaching Potential Sensor Resolution: Focus Stacking at 50 Megapixels (Lundy Beaver Pond, Canon 5Ds R)

2016-10-29 Approaching Potential Sensor Resolution: Focus Stacking at 50 Megapixels (Spotted Boulder, Canon 5Ds R)

2016-10-18 Canon 16-35mm f/2.8L III

2016-10-09 Sigma dp0 and dp1 Quattro: Razor Sharp Detail

2016-09-23 ISO Shootout: Canon 5D Mark IV vs Canon 5DS R (Dolls)

2016-09-19 Sigma 85mm f/1.4 DG HSM Art in Nikon, Canon, Sigma SA Mount

2016-09-19 Olympus OM-D E-M1 Mark II: Major Improvements and New Features

2016-09-15 Zeiss Announces Loxia 85mm f/2.4 for Sony Mirrorless

2016-09-12 Canon 5D Mark IV Soon

2016-09-08 Zeiss Announces ALL NEW Milvus 18mm f/2.8 for Nikon and Canon DSLRs

2016-08-25 Sony A7R II IBIS (In Body Image Stabilization) Destroys Sharpness on a Tripod

2016-07-21 Zeiss ZM 35mm f/1.4 Distagon Aperture Series: DeChambeau Barn (Leica SL)

2016-07-15 Depth of field and Sharpness: Conventional Thinking is Unrealistic Going Forward, Focus Stacking is One Solution

2016-07-11 NEW Sony Planar T* FE 50mm f/1.4 ZA for Sony Mirrorless

2016-07-07 iPhone Panoramas In Depth: Shooting & Post Processing Tips, Numerous Examples up to 11K Resolution

2016-05-15 Pentax K1 Super Resolution Mode has Color Problems, Definitely an Adobe Camera Raw BUG — 3rd Example With 'Push'

2016-05-13 Pentax K1 Super Resolution Mode: SuperRes Mode Ends Moiré

2016-05-13 Pentax K1 Super Resolution Mode: In-Depth Comparison to StdRes Mode (Dolls)

2016-05-13 Pentax K1 Super Resolution Mode has Color Problems, Definitely an Adobe Camera Raw BUG — 2nd Example

2016-05-12 Pentax K1: Super Resolution Pixel Shift Mode at Night (30 sec X 4) — Artifacting Analyzed

2016-05-12 Pentax K1 Super Resolution Mode has Color Problems, Definitely an Adobe Camera Raw BUG

2016-04-24 Rumors of High Megapixels True or Not, Oversampling for Image Quality Makes Sense: 109 Megapixel Tulips via Sony RX100

2016-04-14 Zeiss Batis 18mm f/2.8 Distagon: MTF Can Be Better than the MTF Charts Show

2016-04-12 High-ISO Shootout: Nikon D5 vs Nikon D810, ISO 1600 to ISO 51200

2016-04-05 Panasonic Lumix DMC-GX85 Mirrorless Micro Four Thirds Powerhouse

2016-02-26 Pentax K3 II: SuperResolution Pixel Shift Mode vs StdRes: Tarnished Silver Dragonfly Pitcher

2016-02-26 Pentax K3 II: SuperResolution Pixel Shift Mode vs StdRes: Carved Stone Box

2016-02-25 Reader Comment on Pentax K3 II Super Resolution Mode: “Museum Artifact Work”

2016-02-25 Pentax K3 II: SuperResolution Pixel Shift Mode vs StdRes on Artifacts: Buffalo Coin and Engraved Letter Opener

2016-02-24 Pentax K3 II: SuperResolution Pixel Shift Mode vs StdRes with Saturated Red and Blue Fabric (Cycling Jersey)

2016-02-24 Pentax K3 II: Evaluating SuperResolution Pixel Shift Mode vs StdRes with Color and Texture

2016-02-23 Pentax K3 II: Evaluating SuperResolution Pixel Shift Mode with Zeiss Siemens Star Chart

2016-02-23 Pentax K3 II in SuperResolution Pixel Shift Mode: Checkerboard Effect

2016-02-21 Pentax K1: Super Resolution Mode Appears to be Best DSLR Quality Yet

2016-02-19 State of the Camera Market: “What If...”

2016-02-19 Pentax K1 Super Resolution File Format Details

2016-02-18 Pentax K1 Super Resolution Pixel Shift Mode

2016-02-17 Pentax K1: 36 Megapixels with Image Stabilization and Super Resolution Mode

2016-02-04 Sony Diffraction-Free Computed Fantasy MTF

2016-01-29 Leica Data Sheet for MTF of Leica 28mm f/2 Summicron-M ASPH Error

2016-01-22 Zeiss Batis 25mm f/2 on Sony A7S II Aperture Series: Blue Dusk Settles on Snowy Lundy Canyon

2016-01-16 More Thoughts on 4K Video + Good 4K is Better than a Movie Theatre

2015

2015-12-06 Examples: Rokinon FE 12mm f/2.8 Fisheye on Sony A7R II

2015-10-27 Kolarivision-Modified Sony A7R II vs Leica M240: What are the Real Gains?

2015-10-22 The Irrational Aim of f/1.4 Lenses

2015-10-21 Impressions of 4K Television

2015-10-14 Zeiss Otus 28mm f/1.4 APO-Distagon MTF

2015-09-11 Understanding the new Zeiss Milvus Lineup

2015-09-11 Complete MTF for Zeiss Milvus 50mm f/1.4 and Zeiss Milvus 85mm f/1.4 MTF

2015-09-03 Kolarivision Sony A7R II with Leica M Lenses: Coming Soon

2015-08-23 Zeiss Batis 85mm f/1.8 Sonnar Aperture Series: Yellow Flowers by Waterfall (Sony A7R II)

2015-08-09 Sony 90mm f/2.8: Bad Sample (NOW WITH EXAMPLES)

2015-08-08 Sony A7R II: Assessing Dynamic Range on a Scene that Exceeds the Camera’s Ability

2015-07-30 Leica 100mm f/2 Summicron-S ASPH: MTF Analysis

2015-07-06 Canon 5DS R: Corrections for Color Fringing More Important than at Lower Resolution

2015-07-04 Canon 5DS / 5DS R: mRAW is at Variance with Full-Resolution RAW in Several Ways

2015-07-01 Nikon Announces 2 New Super Telephotos

2015-06-21 Shootout: Canon 5DS R vs Canon 5DS vs Canon 5D Mark III vs Nikon D810 (Old Map)

2015-06-21 Canon 5DS R: new King of DSLR Resolution

2015-06-21 Canon 5DS R is a Sharper and More Versatile Monochrome Camera than Leica M Monochrom Typ 246

2015-06-20 Canon 5DS R: Resolving Power vs Canon 5DS and Canon 5D Mark III

2015-06-18 Sigma Announces World’s First Full-Frame f/2 Zoom for Canon, Nikon, Sigma Mounts: 24-35mm f/2 DG HSM Art

2015-06-17 Compared: Canon 5DS R vs Canon 5D Mark III (Sharpness, Mosaic)

2015-06-17 Canon 5DS R: Sharpness, Noise, Monochrome Potential

2015-06-16 Canon 5DS R: Sharpness, Noise, Monochrome Potential

2015-06-15 Reader Comment: Portraits and Sharpness and Skin Tones with Sony A7, A7R, A7R II

2015-06-12 Evaluated: “Sony, Fix These Things and Win” aka How Does the Sony A7R II Stack Up?

2015-06-12 Canon 5DS R Expected Soon: What About Lenses and Sharpness?

2015-06-10 Announced: Sony RX10 Mark II, Sony RX100 Mark IV

2015-06-10 Announced: Sony A7R II with 42-Megapixel sensor, In-Body-Image-Stabilization, 4K Video

2015-06-07 Leica M Monochrom Typ 246: Amazing Sharpness (examples)

2015-06-06 Zeiss Batis 25mm f/2 and 85mm f/1.8: Snowstorm in the Hoover Wilderness Examples/Narrative

2015-05-26 Sony FE 28mm f/2: Strong Distortion and How Correcting it Damages Sharpness

2015-05-24 Zeiss Batis 85mm f/1.8 Sonnar Caution: Sony SteadyShot Destroys Sharpness on a Tripod

2015-05-22 Leica 28mm f/1.4 Summilux-M ASPH Initial Coverage and Comments

2015-05-19 Sony FE 28mm f/2: Assessing Focus Shift and Color Correction and Sharpness at Close Range (Dolls, Sony A7R)

2015-05-17 $200 off the True 4K LG 31MU97

2015-05-07 Leica 24-Megapixel Leica M Monochrom Typ 246 Starts Shipping

2015-04-29 Zeiss Batis 85mm f/1.8 Sonnar: MTF Series from f/1.8 - f/16 + Distortion

2015-04-29 Zeiss Batis 25mm f/2 Distagon: MTF Series from f/2 - f/16 + Distortion

2015-04-22 Pentax K3 II: Out-Innovating Nikon and Canon

2015-04-04 Choosing Image Resolution and Scaling, Series and A/B Comparison for Images at diglloyd.com

2015-04-01 Tamron SP 15-30mm f/2.8 Di VC USD: Image Stabilization Aperture Series on Tripod, Showing Sharpness Damage

2015-03-27 Sigma 24mm f/1.4 DG HSM Art, MTF

2015-03-27 Nikon and Canon: Catatonic?

2015-03-25 Olympus OMD E-M5 Mark II: Hi-Res Sensor Shift Mode vs Standard-res, NOISE Compared

2015-03-20 Olympus OMD E-M5 Mark II: Just How Good is the Hi-Res Sensor Shift Mode?

2015-03-02 Arrived: Canon EF 11-24mm f/4L USM Ultra Wide Zoom

2015-02-27 Sharper Images by Technique and Shot Discipline

2015-02-09 Sigma Announces dp0 Quattro with 21mm (equiv) Field of View

2014

2014-12-03 NEC PA322UHD 32-Inch Professional UltraHD 4K is Here

2014-11-21 An Interview with Ming Thein on His High-Definition Ultraprint

2014-11-02 Readers Inquire About LG 31MU97 31-inch 4K Display

2014-11-02 Photoshop and GPU: Blurry Image Scaling

2014-10-08 Zeiss Otus 85mm f/1.4 APO-Planar: Full MTF Series from f/1.4 - f/16

2014-09-16 Zeiss ZM 35mm f/1.4 Distagon for Leica M: Best 35mm M Lens Yet?

2014-09-11 Sigma announces dp1 Quattro with 28mm (equiv) Wide Angle Lens

2014-09-03 Zeiss Loxia MTF Discussion

2014-08-01 Panasonic Leica 15mm f/1.7 DG Summilux ASPH: Focus Shift Study

2014-07-06 Sharpness Fans, Your Ship Has Come In: Sigma dp2 Quattro Aperture Series 'Mosaic'

2014-07-01 The Effect of Focus Shift on Image Sharpness

2014-06-25 Nikon Announces D810

2014-05-21 Sigma dp Quattro Sensor Spectral Sensitivity for True-Color Images with Full Spatial Resolution

2014-05-20 EVF and Sensor Resolution: Higher is So Much Better for Critical Focus

2014-05-13 My Most Important Publication: Making Sharp Images

2014-04-30 Wide Aperture and Sharpness Workshop with Zeiss APO Lenses For Participants

2014-04-25 Arrived: Zeiss Touit 50mm f/2.8M for Sony NEX, Fujifilm X (and Sony A7 / A7R)

2014-04-24 Leica T System: Quick Comments

2014-04-18 Consistent Focusing Accuracy Requires a High-Resolution EVF: Leica M vs Sony

2014-04-16 Zeiss Touit 50mm f/2.8M for Sony NEX, Fujifilm X (and Sony A7 / A7R)

2014-04-14 Reader Comment: Sony A7s

2014-04-14 Pentax 645Z 51-Megapixel Medium Format DSLR, 13 Pentax Lenses Now Avail in USA

2014-04-10 Sigma 50mm f/1.4 DG HSM 'Art' (for Canon, Nikon, etc)

2014-03-26 Leica 16-18-21mm f/4 Tri-Elmar-M ASPH: Field of View, Distortion, MTF

2014-03-07 Leica 28m f/2 Summicron-M ASPH Aperture Series: Sharpness, examples

2014-03-01 Sigma DP1 Merrill: Class Leading Sharpness (Green Brick Summit Building)

2014-02-14 Arrived for Testing: Nikon 35mm f/1.8G FX

2014-02-04 Leica M Typ 240: Support for the Higher Resolution VF-4 EVF Not Feasible

2014-01-31 Sigma DP Merrill: Readers Respond

2014-01-22 Sigma 50mm f/1.4 DG HSM 'Art' (for Canon, Nikon, etc)

2014-01-13 Mitigating A7R Micro Contrast Diffraction Losses with Sharpening

2014-01-07 Nikon 35mm f/1.8G FX

2014-01-06 Sigma 50mm f/1.4 DG HSM 'Art' (for Canon, Nikon, etc)

2013

2013-11-22 Pixel for Pixel, *Nothing* Beats a Sigma DP Merrill

2013-10-25 Leica M240: Shutter Vibration Appears to Damage Image Sharpness

2013-10-13 Sony Full-Frame NEX A7r: Rangefinder Lenses, Telecentric Design

2013-10-08 MTF of Zeiss Otus 55mm f/1.4 APO-Distagon Wide Open

2013-09-04 NEC PA302W LED-Backlit 30-Inch Wide Gamut Display

2013-08-05 Which Camera for the Backcountry? Sony RX1, X100, Ricoh GR, Sigma DP Merrill, Leica X Vario?

2013-08-03 Leica 35mm f/1.4 Summilux-M ASPH: Field Curvature and Focus Shift on a Planar Subject

2013-08-01 Field Curvature of the Zeiss 15mm f/2.8 Distagon with Focus Bracketing

2013-07-26 Making Sharp Images new page: Flange to Sensor Alignment, Fantasy Land MTF

2013-07-25 MTF vs Field Curvature and Tips for Optimizing Focus

2013-07-18 Ricoh GR: Lens Quality and MTF

2013-07-14 Leica M Typ 240 Usability

2013-07-13 Lens 'Presence' with Zeiss 135/2 APO-Sonnar and Leica M 24/3.8 Elmar-M ASPH

2013-07-12 Focus Bracketing for Peak Sharpness with a 15mm Lens

2013-07-11 A 15mm Lens has “Huge Depth of Field”, Right?

2013-06-23 Leica, Nikon, Zeiss, Sigma, Ricoh, Fujifilm Mountain Shooting

2013-06-13 Zeiss 135mm f/2 APO-Sonnar as a Landscape Lens

2013-06-08 Leica 24mm f/3.8 Elmar-M ASPH: Is Stopping Down Needed?

2013-05-31 Zeiss Touit 12mm f/2.8 Distagon: Aperture Series Sharpness, Bokeh (Picnic Table, Sony NEX-7)

2013-05-19 Zeiss Touit 32mm f/1.8 Planar: Evening on the High Line in NYC

2013-05-18 Zeiss Touit 32mm f/1.8 Planar: MTF and Distortion and Vignetting Charts (for Sony NEX + Fuji X)

2013-05-18 Zeiss Touit 12mm f/2.8 Distagon: Examples, Evening Architecture

2013-05-17 Zeiss Touit 12mm f/2.8 Distagon: MTF and Distortion and Vignetting Charts (for Sony NEX + Fuji X)

2013-05-08 Nikon D800E vs Canon 5D Mark III: the Nikon D800E Optical Low Pass Blur+Unblur Filter Pack

2013-05-02 Nikon D800E vs Canon 5D Mark III: Sharpness

2013-05-02 How the Nikon D800E Compares to the Canon 5D Mark III in Noise and Usable Dynamic Range

2013-05-01 Per Pixel: How the Nikon D800E Compares to the Canon 5D Mark III (update)

2013-04-30 Per Pixel: How the Nikon D800E Compares to the Canon 5D Mark III

2013-04-30 Comparing Noise Between Cameras

2013-04-26 Zeiss 15mm f/2.8 Distagon: Field Curvature, MTF, Focus (Mosaic)

2013-04-17 Sigma DP2 Merrill Sharpness: Impressive Sharpness and Realized Depth of Field

2013-04-15 Zeiss ZE 135mm f/2 APO-Sonnar IN STOCK for Canon

2013-04-15 Leica M Typ 240 / M240 and CMOSIS

2013-03-29 Using the Sigma DP3 Merrill for Stitching: 66 Megapixels of Biting Sharpness

2013-03-28 Sigma DP3 Merrill Sharpness

2013-03-22 How Does the Zeiss 135mm f/2 APO-Sonnar Perform on a 56-Megapixel DSLR?

2013-03-19 Zeiss 135mm f/2 APO-Sonnar: Just How Good Is It?

2013-03-19 MTF at f/22 with the Zeiss 135mm f/2 APO-Sonnar

2013-03-07 Oversampling for Image Quality (109 Megapixel Sony RX100 tulips)

2013-02-23 Sometimes, Image Sharpness is a Handholding Problem

2013-02-23 On the Way: Zeiss 135mm f/2 APO Sonnar

2013-02-23 Are Today’s Lenses Good Enough for a 72 Megapixel DSLR?

2013-02-08 When Will We See Canon Megapixels to Match Nikon?

2013-01-27 Five Appealing Cameras

2013-01-15 Zeiss 15mm f/2.8 Distagon: Field Curvature, MTF, Focus (Mosaic)

2012

2012-12-11 Photoshop CS6 13.0.2 HiDPI Update — Retina Display Images Look Terrific

2012-11-26 Sigma 35mm f/1.4 DG HSM: Quality Control Steps Up (“A1 MTF”)

2012-11-23 Sigma DP2 Merrill Examples

2012-11-20 Canon 5D Mark III: ETTR Study of Optimal Exposure for RAW, RAW vs JPEG Exposure Latitude and Sharpness

2012-11-16 Nikon D800E: RAW vs JPEG Sharpness Study and Comparison

2012-11-13 Zeiss 135mm f/2 APO Sonnar for Nikon and Canon — Not Far off Now

2012-11-03 Shootout: Sigma DP2 Merrill vs Canon 5D Mark III

2012-10-26 Sigma DP2 Merrill (45mm f/2.8 Lens)

2012-10-26 Phase One Capture One Pro 7 Also Supports Retina display

2012-10-23 Canon 24-70mm f/2.8L II

2012-10-16 Sigma DP1 Merrill vs Nikon D600 Resolution Comparison

2012-10-15 An Open Letter to Sigma on the DP1 Merrill

2012-10-10 Reader Asks: Why Do Color Filters Matter on the Leica M Monochrom?

2012-09-27 Zeiss 135mm f/2 APO Sonnar for Nikon and Canon — Superlative Performer

2012-09-27 Leica M Monochrom — Sharpness With Filters

2012-09-15 Compared: Leica M Monochrom vs Nikon D800E

2012-09-13 Zeiss 135mm f/2 APO Sonnar MTF from f/2 - f/16

2012-09-06 Canon EF 24-70mm f/2.8L II

2012-08-31 Retina-resolution Images Now Deployed Here

2012-08-29 Sony RX100: Examples and Sharpness

2012-08-28 Sony RX100 RAW File Conversion with Adobe Camera RAW

2012-08-19 Sensor Photosite Density on the Sony Cybershot DSC-RX100

2012-08-11 Nikon D800 / D800E autofocus Precision

2012-07-30 Focus Shift — Why So Much Coverage?

2012-07-27 At Which Aperture Does Diffraction Degrade Olympus OM-D E-M5 Image Sharpness?

2012-07-24 Canon EOS 1D X vs 5D Mark III: Definitive Resolution Comparison

2012-07-13 Image Sharpness in Photoshop CS6 with/without the GPU Enabled

2012-06-19 Diglloyd.com Support Display of Large Images at MacBook Pro Retina Display Native Resolution

2012-06-16 Nikon D4 Video Quality = Awful

2012-06-02 Nikon D800E vs Canon 5D Mark III vs Leica M9

2012-05-28 Nikon D4 vs Nikon D3s vs Nikon D800 from ISO 50 to Max

2012-05-22 Exploiting the Sensor Resolution: Depth of Field on the Nikon D800E

2012-05-21 Filtration for Leica M Monochrom to Improve Image Sharpness and Tonal Separation

2012-05-10 Leica M Monochrom — 18-Megapixel Monochrome Sensor

2012-05-10 Leica 50mm f/2 APO-Summicron-M ASPH

2012-05-05 Thoughts on Moiré and DSLR Resolution and the Optical Low Pass Filter

2012-05-03 Nikon D800E vs Nikon D800 Sharpness and Sharpening

2012-04-26 Optimal Aperture for Nikon D800

2012-04-22 Fujifilm X-Pro1 Review

2012-04-13 Nikon D800 vs D3s Resolution

2012-04-08 Nikon D800 Quality at ISO 1100 when Downsampled to Nikon D3x, Canon 5D Mark III, Nikon D3s Resolution

2012-04-03 En route— Fujifilm X-Pro1 with Fujifilm XF 18mm f/2.0 R and Fujifilm XF 35/1.4 R Lenses

2012-03-31 Nikon AF-S 85mm f/1.8G

2012-03-16 Reader Asks: Leica R 180/2 APO vs Nikon 200/2 VR II?

2012-03-07 Diffraction, Sharpness and Nikon D800E

2012-02-20 Blur Can Be Beautiful

2012-02-14 Lens Performance: What Matters

2012-02-11 80 Megapixels— Similar Lens Demands to Realize Potential of the Sensor

2012-02-10 Reader Comments: Is Binning an Option in RAW for D800? What About Computer Speed for 36MP?

2012-02-09 Reader Comments: “how a lens draws” — Leica vs Zeiss/Nikon/Canon/Pentax

2012-02-09 My Reference Lenses For Testing Sharpness

2012-02-09 Downsampling and Binning

2012-02-07 Nikon D800E — Nikon’s Sample Photos

2012-02-07 Nikon D800 / D800E — Which Nikon Lenses?

2012-02-07 Nikon D800 / D800E — Lens Requirements for 36 Megapixels

2012-01-23 Q&A Interview with Leica USA

2012-01-12 Fuji X-Pro1 — Fujinon XF Lenses on X Mount

2012-01-05 Sony NEX-7: Loss of Contrast and Resolution from Diffraction

2011

2011-12-12 Nikon 36 Megapixel DSLR?

2011-11-21 Supposing a 36 Megapixel Nikon DSLR Arrives... What About Lenses and Technique?

2011-11-05 Leica 21mm f/3.4 Super-Elmar-M— Outstanding Sharpness with Finesse

2011-10-27 Leica 30mm f/2.8 Elmarit-S ASPH for Leica S2 Medium Format

2011-10-26 Zeiss 25mm f/2 Distagon Announced

2011-09-02 Fuji X100 — Great Sensor, and Thoughts on the Panasonic GF3 and Olympus E-P3

2011-08-13 Reader Comment on Making Sharp Images Guide

2011-07-16 Sigma DP2x Resolution

2011-06-21 Leica 21mm f/3.4 Super-Elmar-M ASPH

2011-06-10 Open Letter to Leica — 10 Ways To Improve the M9 Rangefinder

2011-01-14 Zeiss 35mm f/1.4 Distagon MTF, distortion, vignetting

2010

2010-11-25 Nikon 70-200mm f/2.8G VR II sharpness

2010-10-13 Nikon AF-S 35mm f/1.4G on its way

2010-09-17 Carl Zeiss 35mm f/1.4 Distagon bokeh

2010-09-15 Nikon 35mm f/1.4G AF-S

2010-08-25 Caldwell Photographic UV-IR 120mm f/4.5 APO macro

2010-07-14 Leica S2 37.5 megapixel DSLR review additions

2010-07-08 Hasselblad user examines Leica S2 pre-review coverage

2010-06-27 Nikon 14mm f/2.8 and 14-24mm f/2.8G — how to avoid losing half your resolution

2010-06-14 Landscape photography at f/0.95 in Patriarch Grove

2010-04-21 Nikon AF-S 24mm f/1.4G ED review updated with examples

2010-03-10 Lens rental perspective on lens quality aka MTF WTF

2010-02-12 MTF comments updated for Zeiss ZF / Zeiss ZE

2010-01-21 MaxMax.com Nikon D700 “HR” — high resolution mod

2009

2009-12-29 Resolution contest: Nikon D3x vs Nikon D3s

2009-12-26 Nikon D3s: limits of resolution

2009-12-20 Zeiss ZE 100mm f/2 Makro-Planar for Canon samples

2009-12-18 Nikon D3s compared to Nikon D3x at all ISO values

2009-12-17 Nikon D3x compared to Nikon D3s at different ISOs

2009-12-09 Carl Zeiss announces Zeiss ZE 50mm f/2 and Zeiss ZE 100mm f/2 Makro-Planar for Canon EOS

2009-11-01 Carl Zeiss announces ZE 35mm f/2 Distagon for Canon EOS

2009-09-02 Canon TS-E 17/4L and 24/3.5L II

2009-07-27 Olympus E-P1 resolution

2009-04-08 Zeiss’ Dr. Nasse on MTF, part II

2009-01-17 Canon 5D Mark II and optics

2009-01-09 Nikon D3 vs Nikon D3x resolution

2009-01-04 Nikon D3x noise and color vs D3

2008

2008-12-26 D3x vs D3 resolution compared

2008-12-24 Nikon D3x resolution vs Canon 1Ds Mark III and D3

2008-12-23 Nikon D3x and Zeiss ZF 100mm f/2 Makro Planar

2008-12-08 Sony A900 vs Canon 1Ds Mark II resolution

2008-11-11 Focus shift on a resolution chart

2008-10-19 Real-world Sharpness II: D3/1DsM3 updated

2008-10-15 Real-world Sharpness II: D3/1DsM3 updated

2008-10-15 Nikon 70-200 VR sharpness workaround

2008-10-12 Real-world Sharpness II: Nikon D3 / Canon EOS 1Ds Mark III

2008-10-11 Real-world Sharpness: Nikon D3 / Canon EOS 1Ds Mark III

2008-08-16 Ken Rockwell’s site

2008-07-23 Trendsetter? Panasonic Lumix DMC-LX3

2008-07-07 Zeiss ZF 18mm f/3.5 Distagon MTF, Distortion, etc

2008-07-01 Is 12 megapixels enough?

2008-06-14 Resolution limits for digital SLRs

2008-06-10 Voigtlander Nokton 58/1.4 SL II

2008-04-30 The future of resolution, 36 megapixels?

2008-03-22 When is an image “good enough”?

2008-01-21 Zeiss white paper on MTF

2007

2007-12-15 Digital SLR resolution — the future

2007-12-14 Digital file sizes — be careful what you wish for

2007-12-13 Canon EOS 1Ds Mark III vs Nikon D3—resolution

2007-12-12 Canon EOS 1Ds Mark III vs Nikon D3

2007-12-01 Nikon D3 looks good

2007-10-24 In the market for a point and shit camera?

2007-09-17 Nikon vs Canon

2007-09-08 On sharpness, megapixels and lens testing

2007-08-23 Thoughts on the new Nikon D3

2007-08-19 More on the 21-megapixel Canon EOS 1Ds Mark III

2007-08-10 Nikon’s true-color sensor patent

2007-07-12 Zeiss 50mm f/2 Makro-Planar

2007-03-29 New Canon EF 16-35 f/2.8L II tested

2007-02-09 Canon EF 400mm f/5.6L

2006

2006-03-03 Zeiss ZF (Nikon mount) lenses.

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