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2021-09-10 First Look at Leica SL2 Multi-Shot High-Res Mode (Updated.v2 with comments)

2021-07-16 Oversampling for Image Quality: we need a 100 Megapixel Sensor in 35mm Format

2020-09-11 Sigma FE 85mm f/1.4 DG DN Art: Micro Contrast, Moiré, Color Aliasing with/without Pixel Shift and Distortion Correction

2020-06-13 Abandoning Adobe Camera Raw Enhance Details—Crosshatching Pattern Noise

2019-08-18 Image Quality: Fujifilm GFX100 vs Fujifilm GFX 50S/R

2019-03-19 Reprocessing Fujifilm GFX-50S Images with Moiré and Color Aliasing Issue using Adobe Camera Raw Enhance Details

2018-06-20 Hasselblad to Announce a 100-Megapixel X2D Soon?

2017-07-20 Leica M10: Moiré

2016-12-29 Color Fringing in Blue Light: Gains From Correction with Canon 11-24mm f/4L (5DS R)

2015-10-20 Leica SL Typ 601 Full-Frame Mirrorless Camera System: the Logical Joining of DSLR and Mirrorless

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See also 1 pages at macperformanceguide.com

2010-01-16 Buyer's Guide: Displays

Blur from Camera or Support

Sharpness loss by camera or support or technique..

1. Blur Caused by Anti-Aliasing Filter

Digital Sensor Technology

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

1. Blur from Anti Aliasing Filters
2. Effects of Diffraction Blur on Color Aliasing
3. Diffraction vs Color Aliasing (Leica M240)

Post Processing for Sharpness

Making image captures look sharp..

1. Restoring Sharpness Lost from Digital Capture (RAW)

Diffraction

Getting peak performance from your lens.

1. Influence of Pixel Size
2. Example—Resolution Chart
3. Diffraction Limits for High Resolution DSLR (Dolls, Nikon D7100)

Leica SL

24-Megapixel vs mirrorless..

1. Leica SL: Color Moiré Example

Nikon D810

Improvements on the workhorse D800E..

1. D810 vs D800E: ISO 3200 Noise + White Balance + Sharpness (Decorated Bike)
2. D810 vs D800E: Depth of Sharpness (Decorated Bike, ISO 100/64)

Nikon D800E vs D800

D800E supplement and comparisons with Nikon D800..

1. D800 vs D800E Sharpness
2. Examples — D800E — Initial Evaluation
3. D800E vs D800 (Aerial, Fountain)
4. D800E vs D800 RAW Sharpening Comparison (Aerial, Fountain)
5. D800E vs D800 (Dolls)

Canon EOS 5DS / 5DS R

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

1. Sharpness: 5DS R vs 5DS vs 5D Mark III (Zeiss Siemens Chart)
2. Moiré and Diffraction Across Apertures: Canon 5DS R vs 5DS (Window Screen)

Nikon D3s

Nikon D3s low-light versatile DSLR..

1. Limits of Resolution—Golden Gate
2. Detailed Comparison with D3x

Canon EOS 5D Mark IV

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

1. ISO Series from 100 to 25600 vs Canon 5DS R (Dolls)

Pentax K-1 Mark II

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

1. Overview/Comparison of Resolving Power with Pixel Shift
2. Pixel Shift vs Single-Shot: Poleta Mining Milling Building

Pentax K-1

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

1. Shutter Shake Evaluated at 140mm, Siemens Target
2. Focus Stacking in SuperRes Mode (Ultegra Cassette)
3. SuperRes Pixel Shift Mode vs Std Res: Dolls

Pentax HD FA 50mm f/1.4 SDM AW

All-new high performance design..

1. Examples: Laws Railroad Museum

Pentax K-3 II (APS-C)

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

1. Pentax K-3 II Overview
2. SuperResolution: Zeiss Siemens Test Target
3. SuperResolution: Ultra Fine Details (Silver Coin, Engraving, Carved-Stone Box)

Pentax K-3 (APS-C)

23-megapixel APS-C DSLR with an unusual feature set..

1. Pentax K-3 Overview

Canon 40mm f/2.8 STM

Canon’s tiny and lovely pancake lens..

1. Aperture Series: Industrial Feed Plant in Oakdale (5DS R)

Sigma 14mm f/1.8 DG HSM Art

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

1. Aperture Series: Clearing Storm Over Pywiack Dome

Sigma 40mm f/1.4 DG HSM Art

Extraordinary optical efforts for outstanding performance..

1. Examples: Laws Railroad Museum

Sigma 85mm f/1.4 DG HSM Art

Sigma’s best portrait lens..

1. Shootout: Sigma 85/1.4A vs Zeiss Milvus 85/1.4 vs Nikon 85/1.4G (Snowy Spur of Mt Conness, Nikon D810)
2. Shootout: Sigma 85/1.4A (Two Samples) vs Zeiss Milvus 85/1.4 (Siemens Chart, Nikon D810)

Nikon 35mm f/1.4 AIS

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

1. Aperture Series: Kitchen Counter Items (Sony A7R)

Nikon 50mm f/1.2 AIS

Nikon’s classic high speed normal lens.

1. Aperture Series: Sidelit Barn (Leica M Typ 240)

Medium Format Magazine

Articles written for MediumFormat.com..

1. Computational Photography Improves Digital Captures: Enhance Details in Adobe Camera Raw (June 2019)

Fujifilm GFX 50S Image Quality

Image quality assessments..

1. Moiré and Color Aliasing (plus Adobe Camera Raw Enhance Details)

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

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

1. Aperture Series @32mm: Cerro Gordo Museum (Focus Variability + Right-Side Blur) (GFX 50S)

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

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

1. Aperture Series: Baseball Diamond (GFX 50S)

Hasselblad XCD 30mm f/3.5

25mm equivalent..

1. Aperture Series: Bare Tree Along Alpine Creek

Hasselblad XCD 65mm f/2.8

Normal lens equivqlent to 53mm..

1. Aperture Series: Lichen-Covered Granite Slab, View to Owens Lake
2. Aperture Series: Survivor Pine on Rock Outcrop

Hasselblad XCD 80mm f/1.9

Moderate telephoto..

1. Aperture Series: Lichen-Covered Granite Slab, View to Owens Lake

Hasselblad XCD 90mm f/3.2

Medium format telephoto lens, 74mm equivalent..

1. Aperture Series: Baseball Diamond

Hasselblad XCD 135mm f/2.8

Moderate telephoto..

1. Aperture Series: Lichen-Covered Granite Slab

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

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

1. Aperture Series: Decorated Bike (645Z)

Rolleiflex Hy6 Mod 2 Medium Format System

Lens performance at 80 megapixels..

1. Aperture Series: Glistening Rocks (Rollei APO-Symmar 90mm f/4 Makro PQS)

Leica S2 37.5 Megapixel Medium Format DSLR

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

1. Moire and Aperture
2. Alternatives: DSLR Without Anti Aliasing Filter

Leica S Examples

Examples and comparison from the various lenses.

1. Comparison: Leica S2 vs Nikon D3x (Mosaic)
2. Comparison: Leica S2 vs Nikon D3x Deconvolution Sharpening

ZF.2/ZE 21mm f/2.8 Distagon

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

1. Examples Climbing Mt Dana in Yosemite
2. Aperture Series: Wyman Cabin Trashed Interior (Canon 5DS R)
3. vs Leica 21mm f/1.4 Summilux-M ASPH (Leica M Typ 240)

35mm f/1.4 Distagon

Strokes of a master..

1. Sharpening for f/1.4 and f/2

Otus 55mm f/1.4 APO-Distagon Rendering Style

Rendering style, bokeh and beauty..

1. Aperture Series: Moots at Barcroft (Canon 5DS R)

85mm f/1.4 Planar

True-to-life imagery..

1. Examples — Yosemite

100mm f/2 Makro-Planar

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

1. Aperture Series: Pine Creek Tungsten Mine Aerial

Misc Reviews

Miscellaneous reviews..

1. Thirty Minutes With the PhaseOne P20

Nikon Z8 Overview, Setup, General

Setup, IBIS performance, focusing..

1. Reducing Moiré in Nikon Z8 with Adobe Enhance Details

Nikon NIKKOR Z 20mm f/1.8 S

Fast ultra wide angle for Nikon Z..

1. Astrophotography at f/2

Nikon NIKKOR Z 85mm f/1.8 S

Fast portrait telephoto for Nikon Z..

1. Aperture Series: Bonsai Above Beaver Pond

Sony A7R V

5th Generation standard-setting camera..

1. Pixel Shift: Diffraction Effects, Pixel Shift vs Single Shot

Sony Alpha A7R IV

4th Generation standard-setting camera..

1. Shootout of Sony A7R IV vs Sony A7R III: Siemens Chart
2. Shootout of Sony A7R IV vs Sony A7R III: Pine Creek Mining Buildings

Sony Alpha A7R III

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

1. Pixel Shift: Sony Pixel Shift vs Adobe Camera Raw Single Frame, Lundy Canyon Earth Shadow
2. Pixel Shift: Finely Detailed Mosaic

Sony Alpha A7R Shutter Vibration

Vibration from the shutter highly damaging to image sharpness..

1. Sony A7R Shutter Vibration at 55mm (Dolls)
2. Sony A7R Shutter Vibration at 50mm (Chart)
3. Sony A7R Shutter Vibration at 90mm with Mass Mitigation (Chart)

Sony Alpha A7R II Kolarivision for Leica M

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

1. A7R II Kolarivision Mod vs Leica M240: What Are the Gains?

Sigma FE 85mm f/1.4 DG DN Art

Ultra high performance medium telephoto..

1. Micro Contrast, Moiré, Color Aliasing with/without Pixel Shift and Distortion Correction

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

Comapact mid-range zoom for Sony full frame mirrorless.

1. Aperture Series @ 38mm: Backlit Deck Chairs and Table (Sony A7R)

Fujifilm Finepix X100

The best compact big-sensor digital camera yet?.

1. Compared to Leica M9 + 35/1.4 Summilux-M ASPH

Nikon Coolpix A

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

1. Compared vs Sigma DP1 Merrill (Dolls)

Ricoh GR

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

1. Examples: White Mountains (General)
2. Examples: White Mountain Peak MTB Ascent

Sony Cybershot DSC-RX1 / RX1R

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

1. Aperture Series (Sony RX1, Mountain Bike)
2. Aperture Series: Sunset Bristlecone (RX1R)
3. Aperture Series: Plastic Tubing, Wire Mesh, Sheet Metal (RX1R)
4. Examples: Pine Creek (RX1R)

Olympus OM-D E-M1 Mark II

Flagship model for 2017..

1. HiRes Mode: Camera JPEG vs raw Single Shot (Dolls)

Panasonic Lumix GH3

Full size m4/3 camera body with a video orientation..

1. Still Image Quality (vs EM5, Dolls)

Comparisons across format.

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

1. Shootout: Sony RX1 vs Sigma DP2 Merrill vs Fujifilm X-E1 (MTB)
2. Shootout: Sigma DP3 Merrill vs Leica X Vario: (Titanium Ride to the Green Machine)
3. Shootout: Sigma DP3 Merrill vs Leica X Vario: (Green Machine Frontal)
4. Ricoh GR vs Leica X Vario: (Brick Building)

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..

1. Resolution

Zeiss Touit 12mm f/2.8 Distagon

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

1. Aperture Series: Sharpness and Bokeh (Picnic Table, NEX-7)

Leica X Vario

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

1. Aperture Series: Pine Creek Mine and Waterfall, Dusk (28mm)
2. Examples: White Mountains, Various

Sigma sd Quattro H

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

1. DNG vs X3F (Dolls, Long Exposure)

Sigma dp2 Quattro

45mm f/2.8 equivalent FOV lens..

1. dp2 Quattro vs DP2 Merrill (Dolls)

Sigma DP1 Merrill

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

1. Resolution — DP1 Merrill vs Nikon D600 (Yellow Aspen)

Sigma DP2 Merrill

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

1. Examples (DP2M, San Francisco)

Leica M10

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

1. Leica M10: Moiré Can be a Serious Problem
2. Examples: Dana Lakes, Part 2: At the Dana Lakes

Leica M Typ 240 In Use

Overall design and behavior..

1. Sensor Aliasing (Checkerboard)

Leica M Typ 240 Compared To Full Frame Cameras

Relative sharpness and performance across cameras..

1. M240 vs M9P (21/3.4 Super-Elmar-M, Glacial Erratics)
2. M240 + 50/2 APO ASPH vs Nikon D800E + Zeiss 50/2 Makro-Planar
3. M240 vs Sony A7R with Leica 50/2 APO-Summicron (Mosaic)

Leica M Typ 240 Compared To APS-C Cameras

Relative sharpness and performance vs APS-C cameras..

1. M240 at 28mm vs Sigma DP1 Merrill: Native Resolution
2. M240 at 28mm vs Sigma DP1 Merrill: Matched Resolution
3. M240 + 50/2 APO ASPH vs Sigma DP2 Merrill
4. M240 + 50/2 APO ASPH vs Sigma DP2 Merrill (Bottles)
5. M240 + 50/2 APO ASPH vs Nikon D7100 + Sigma 35/1.4 DG HSM A

Leica M Monochrom Typ 246

24-megapixel CMOS monochrome sensor..

1. Compared: Leica M Monochrom Typ 246 vs Leica M Typ 240 (Lee Vining Canyon)

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

Leica’s widest prime lens..

1. Aperture Series: Sidelit Barn at DeChambeau Ranch (M240)

Leica 21mm f/1.4 Summilux-M ASPH

Leica’s fastest and widest lens..

1. Comparison: Leica 21/1.4 Summilux-M vs Zeiss 21/2.8 Distagon on D3x

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

Leica’s best-performing 21mm..

1. Examples: Snow Biking in Cottonwood Canyon (M9)

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

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

1. Compared: 35mm f/1.4 Summilux vs 35/2 Summicron vs Zeiss 35/2 Biogon (M9P, Cabin Exterior)

Leica 50mm f/2 Summicron-M

Leica’s compact low-distortion normal lens..

1. Examples: 50/2 Summicron Aperture Series (Golden Gate)

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

Leica’s medium tele for Leica M..

1. Examples: 75/2 APO (Various)

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

Compact lens for portraiture or similar..

1. Aperture Series: Moots Moot X YBB 29er (M240)

Zeiss ZM 35mm f/1.4 Distagon

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

1. Examples at ƒ/1.4 in Eastern Sierra and White Mountains continued (M240)
2. Aperture Series: Rotten Chair (M240)
3. 6-way Shootout: ZM 35/1.4 vs 35/2 and 35/2.8, Leica 35/1.4 and 35/2, Voigtlander 35/1.2 (Pine Creek Morning, M240)

Zeiss ZM 35mm f/2 Biogon

All around razor sharp performer..

1. Examples: White Mountains ZM 35/2

ALLVIEW Cameras

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

1. Shootout: Leica M9 vs Sony NEX

Blog posts, reverse chronological

2021

2021-09-10 First Look at Leica SL2 Multi-Shot High-Res Mode (Updated.v2 with comments)

2021-07-16 Oversampling for Image Quality: we need a 100 Megapixel Sensor in 35mm Format

2020

2020-09-11 Sigma FE 85mm f/1.4 DG DN Art: Micro Contrast, Moiré, Color Aliasing with/without Pixel Shift and Distortion Correction

2020-06-13 Abandoning Adobe Camera Raw Enhance Details—Crosshatching Pattern Noise

2019

2019-08-18 Image Quality: Fujifilm GFX100 vs Fujifilm GFX 50S/R

2019-03-19 Reprocessing Fujifilm GFX-50S Images with Moiré and Color Aliasing Issue using Adobe Camera Raw Enhance Details

2018

2018-06-20 Hasselblad to Announce a 100-Megapixel X2D Soon?

2017

2017-07-20 Leica M10: Moiré

2016

2016-12-29 Color Fringing in Blue Light: Gains From Correction with Canon 11-24mm f/4L (5DS R)

2015

2015-10-20 Leica SL Typ 601 Full-Frame Mirrorless Camera System: the Logical Joining of DSLR and Mirrorless

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

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

2015-02-25 Mitigating Color Aliasing via Diffraction (Leica M240, but applies to any/all)

2015-02-24 Mitigating Color Aliasing via Diffraction

2015-02-06 Canon’s EOS 5DS R: no Optical Low Pass Filter / Anti-Aliasing Filter

2014

2014-07-16 Nikon D810 About to Ship

2014-06-27 “D810 Live View is Good”

2014-06-26 Thoughts on Nikon D810

2014-06-25 Nikon D810 Leaked Specs: Improved Sensor, EFC Shutter

2014-06-25 Nikon Announces D810

2013

2013-09-24 The Perfect Camera for the 80% Case

2013-09-15 Thoughts on a Full-Frame Sony NEX

2013-08-27 Sony RX1R Detail

2013-08-19 Sony RX1R Impressions

2013-08-10 Sony RX1R Review Coverage

2013-07-31 Is the Full Frame DSLR the New Medium Format? What do DSLRs Lack?

2013-07-21 Sigma Foveon X3 True-Color Sensor vs Bayer Matrix RGGB Sensor

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

2013-05-03 24 Megapixel APS-C Shootout: Sony NEX-7 vs Nikon D7100 (with Zeiss 50/2 Makro-Planar)

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

2013-04-10 Leica M Typ 240 / M240: Color Aliasing

2013-04-03 Nikon Coolpix A Sensor

2013-04-02 Nikon Coolpix A Initial Comments

2013-02-21 Nikon D7100 — No Anti-Aliasing Filter

2012

2012-12-06 Fujifilm X-E1 Has the Same Fractal-Like Artifacts as the X-Pro1

2012-05-21 Reader Comments on Nikon D800E vs Nikon D800 Definitive Comparison

2012-05-08 Reader Comment on Nikon D800: Aliasing

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

2012-04-22 Fujifilm X-Pro1 Review

2012-03-22 Choosing between the Nikon D800 or Nikon D800E

2012-02-14 Reader asks: Will Moiré Be Fully Correctable on the D800E?

2012-02-10 Reader Comments: Why Both a D800 and D800E?

2012-02-07 Nikon D800E: Moiré

2012-02-07 36-Megapixel Nikon D800 and D800E

2012-01-12 Fuji X-Pro1 Sensor Design — No Anti-Aliasing Filter for Sharp Images

2011

2011-12-19 Nikon 36 Megapixel D800 Without an Anti-Aliasing Filter?

2010

2010-07-22 Deconvolution sharpening to counteract the anti-aliasing (blur) filter on the Nikon D3x (or Canon) — comparison revisited with the Leica S2

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

2008

2008-03-27 Digital artifacts

2007

2007-12-05 Followup on Nikon D3 aliasing

2007-12-03 Nikon D3 aliasing

2006

2006-01-06 Whither the digital monochrome camera?