Sharpness and Blur by Optics
Blur from optical behavior or subject-related issue..
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2022-04-05 Fujifilm GFX100/GFX100S: Optimizing Depth of Field Placement for Landscape Photography
2022-02-26 Autofocus Accuracy: Fujifilm GFX100S + Fujifilm GF 35-70mm f/4.5-5.6
2021-05-04 Reader Question: Testing for Focus Shift
2021-03-07 Longer “reach”: Micro Four Thirds vs Cropping Full-Frame or APS-C
2020-10-18 Analyzing Swing and Tilt of Sony A7R IV with Two Samples of Sony FE 12-24mm f/2.8 GM
2020-10-18 Swing and Tilt: Subject Distance vs Lens Focusing Offset
2019-11-22 On the Way for Testing: Phase One IQ4 150-Megapixel Medium Format System
2019-05-26 Focus Shift, a General Discussion
2018-10-26 Shootout @ 35mm, Nikon NIKKOR Z 24-70mm f/4 S vs 35mm f/1.8 S: Stand of Bare Aspen by Creek
2018-10-09 Nikon Z7: Image Sharpness vs Zone of Focus, Autofocus Error and Mitigation
2018-08-01 Is It the End of the Development Road for Leica M Cameras? (Updated with Reader Comments)
2018-06-24 Nikon 105mm f/2 DC: Comparing the Defocus Control (DC) Feature
2018-06-22 Bokeh Shootout: Leica 90mm f/2.2 Thambar-M vs Nikon 105mm f/2 DC: Bird of Paradise
2017-11-13 Depth of Field Akin to f/128: an Incredible Near-Far Focus Stack with the Zeiss Milvus 18mm f/2.8
2017-09-26 Sigma 14mm f/1.8 DG HSM Art Aperture Series: Dead and Live Aspen, Dusk
2017-08-10 Fujifilm GFX 50s Firmware Update Might Degrade Focusing by Stopping Down?
2017-04-13 Fujifilm GF 32-64mm f/4 @32mm Focus Stack: Barroom Interior
2017-02-24 Sigma Announces 14mm f/1.8 DG HSM Art for Nikon and Canon DSLRs and Sigma sa
2016-12-02 Want a Fast Lens for Micro Four Thirds? HandeVision IBELUX 40mm f/0.85 is 71% Off
2016-10-15 Reader Question: Focusing with Sony Mirrorless
2016-09-19 Olympus 25mm f/1.2 PRO
2016-09-04 Focus Stacking with Sony 85/1.4 GM: Getting that Impossible Depth of Field for Landscape Scenes
2016-09-01 Panasonic Leica DG Summilux 12mm f/1.4 ASPH
2016-08-28 Focus Stacking: Banishes Depth of Field Limitations for Many Field Images
2016-07-26 Perception and Imaging
See also 7 pages at macperformanceguide.com
See also 3 pages at windinmyface.com
2023-11-29 “Your iCloud Storage Is Almost Full” — How To Backup Your iPhone To A Mac Instead Of Paying Rent
2023-02-01 Jonathan Turley: “Objectivity Has Got To Go”: News Leaders Call for the End of Objective Journalism
2022-11-01 ‘Speed of Science’ — A Scandal Beyond Your Wildest Nightmare
2016-04-27 What’s all the Fuss About iPhone Security Anyway?
2015-12-27 End of the Year: 3 Days Left for Small Business to Write off that new Computer, Camera, etc
2015-12-22 Recommended Computer Upgrades, B&H Free Overnight + Small Business Deduction Note
2015-12-14 End of the Year: Time for Small Business Owners to Consider Getting that new Computer Gear, etc
2015-04-03 External Iliac Artery Endofibrosis and Leg Pain in Cyclists
2011-12-01 End of Life for the Apple Mac Pro? Still no word from Apple
2011-11-01 End of Life for the Apple Mac Pro?
Blur from optical behavior or subject-related issue..
Digital capture technology is discrete, and not the same as film..
Focusing is more complicated than it first appears..
Focusing accuracy and errors..
Controlling the zone of sharp detail..
Increasing Depth of Field by means other than stopping down..
Bypass the limits on depth of field and diffraction..
Best practices for shooting stacking frames..
Examples of Focus Stacking..
Getting peak performance from your lens.
Zone of focus, not plane of focus.
Actual example of field curvature..
Focus shift with a variety of lenses..
Diffuse haze at wide apertures..
Understanding Longitudinal (Axial) chromatic aberration (LOCA)..
Secondary Longitudinal Chromatic Aberration (SLOCA)..
How to verify a good sample and assess all aspects of lens performance..
All about shooting in infrared..
Unique challenges of digital infrared..
Evaluating Multi-Shot High-Res Mode..
Premium fast normal lens for L-Mount..
Sigma 28mm f/1.4 DG HSM Art.
47 megapixel with Multi-Shot Hi-Res mode..
24-Megapixel vs mirrorless..
Fast short wide angle lens for L-Mount cameras..
Fast apochromatic prime lens for L-Mount cameras..
Fast short normal lens for L-Mount cameras..
Fast short telephoto lens for L-Mount cameras..
Fast short telephoto lens for L-Mount cameras..
All-arounder zoom with dubious optical compromises..
Sigma/Foveon true-color sensor in a DSLR body..
The best becomes better..
Improvements on the workhorse D800E..
36 megapixels in a compact full-frame DSLR..
D850 with the RGB Bayer matrix removed for a true monochrome sensor..
Full-frame 24 megapixel DSLR..
Nikon’s finest 70-200 zoom as of 2017..
Which speed zoom for the Nikon D800/D800E?.
Nikon’s bread and butter telephoto zoom.
Ultra fast 200mm with gorgeous bokeh and high resolving power..
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..
Nikon vs Canon: Noise and Sharpness.
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..
Ultra compact normal lens..
Medium telephoto tilt/shift lens.
Medium-long telephoto tilt/shift lens.
Ultra wide tilt/shift lens.
Medium telephoto tilt/shift macro focusing lens.
[Older material, but still relevant]. Shift lens performance of Nikon/Canon/Schneider/Olympus on various cameras..
Escape the banale postcard look by shooting landscapes at f/1.4 or f/0.95..
Approaches to making fresh new images..
36-megapixel full-frame DSLR with SuperRes Pixel Shift Mode..
Bread and butter zoom lens..
Macro lens focusing to life size 1:1..
APS-C wide angle lens equivalent to 22mm on full-frame..
APS-C normal lens equivalent to 53mm on full-frame..
APS-C slightly tele normal lens equivalent to 60mm on full-frame..
APS-C moderate telephoto equivalent to 105mm on full-frame..
Canon’s compact high-performance 24mm prime..
Canon’s tiny and lovely pancake lens..
Is Canon’s f/1.2 lens really better than an inexpensive f/1.4 or f/1.8?.
Canon’s best-ever medium telephoto and with image stabilization..
Canon’s updated fast 35mm prime, evaluated on Canon 5DS R..
Canon’s image stabilized 35mm..
Fast constant-aperture ultrawide zoom..
Superwide optimized zoom lens..
Mid-range optimized groundbreaking f/2 zoom..
A whopping 4/3 stop faster than other lenses in its range..
Sigma’s fast high performance wide angle..
Sigma’s fast and affordable moderate excellent wide angle..
Extraordinary optical efforts for outstanding performance..
Sigma’s fast high performance normal lens..
Sigma’s best portrait lens..
Extraordinary optical efforts for class-leading performance?.
Fastest 135mm lens yet, with ultra high performance..
Sigma’s fast telephoto APO macro lenses..
Wide angle tilt/shift lens at 28mm..
Ultra compact pancake lens with nice bokeh.
Nikon’s classic high speed normal lens.
Nikon’s High Performance Moderately-Priced 50mm..
Nikon’s High performance normal lens.
Nikon’s workhorse 200mm macro lens, and not just sharp at close-ups!.
Nikon’s fast ultra wide angle..
Versatile image-stabilized mid-range zoom..
An ultra-fast older design still offers appeal on modern digital..
Comparing the new Nikon 60mm to its predecessors, and the Coastal Optics 60/4 APO..
A superlative multi-spectral lens with perfect color correction..
Extreme wide angle zoom..
Is the 3rd time the charm?.
Canon’s compact image stabilized wide angle zoom..
Canon’s premium mid-range zooms..
State of the art design in a fast 35mm lens..
Relatively inexpensive alternative to the pro 35/1.4G..
State of the art design in a fast 85mm lens..
Nikon’s best-ever f/1.4 lens?.
Strong telephoto lens with special control over spherical aberration..
Compact and lightweight travel-friendly telephoto..
A review of Canon’s 200mm f/2L mini super telephoto. Not just for sports, it makes a great landscape lens..
A review of Canon’s new 100-400mm zoom.
Comparing the 16-35mm f/2.8L II to most of Canon’s wide angle prime lenses. Optical performance, ergonomics, focus, build quality..
Exploring the 16mm fisheye for landscape photography, and correcting fisheye distortion..
Nikon’s ultra wide angle zoom and the Nikon 14mm f/2.8, critical focus shift behavior..
Medium format Zeiss glass in Hartblei precision tilt/shift lens barrels!.
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..
Articles written for MediumFormat.com..
Phase One XF System, Phase One IQ4, Schneider Kreuznach Lenses.
Wide angle 24mm equivalent for Phase One XF system.
Mid range zoom 27-54mm equivalent for Phase One XF system.
Compact normal 54mm equivalent for Phase One XF system.
Medium telephoto 100mm equivalent for Phase One XF system.
100 megapixels in a portable package!.
Updated everything-better after 5 years..
Is 100 better than 45/50/60 megapixels?.
100 megapixels in a portable package!.
100 megapixels in a portable package!.
Fujifilm skips full-frame to go from APS-C to to medium format..
Adapting lenses delivers degraded results in most cases..
Compact wide angle.
Compact wide angle.
Wide angle tilt/shift lens.
Mid-range zoom lens equivalent to 26-53mm f/3.3..
Compact wide angle.
Moderate wide angle equivalent to 37mm f/2.3..
Slightly long zoom lens equivalent to 37-82mm f/3.3..
Slightly wide compact normal lens equivalent to 41mm f/2.9..
Standard normal lens equivalent to 52mm f/2.3..
Standard normal lens equivalent to 66mm f/1.4..
Ultra high speed telephoto equivalent to 90mm f/1.6..
Telephoto tilt/shift macro lens.
High performance macro photography on medium format, equivalent to 99mm f/3.3..
Telephoto equivalent to 200mm lens. .
How does the very best perform in the field?.
High performance moderate wide angle.
High performance all-arounder macro lens.
Mirrorless large format with leaf shutter lenses, 3rd generation..
Mirrorless large format with leaf shutter lenses..
Performance both in the field and controlled conditions..
18mm equivalent..
25mm equivalent..
Normal lens equivqlent to 45mm..
Normal lens equivqlent to 53mm..
Moderate telephoto..
Medium format telephoto lens, 74mm equivalent..
Telephoto macro lens, 99mm equivalent..
Moderate telephoto..
A price/performance breakthrough?.
50-Megapixel Medium Format DSLR with Live View.
High end image quality, but what about lenses?.
A variety of 645 lens tests on the 645D.
Ultra wide angle lens for Pentax 645..
Moderate wide angle lens for Pentax 645..
Medium telephoto macro lens for Pentax 645 digital and film..
How does Hasselblad’s 3rd generation medium format entry measure up?.
Lens performance at 80 megapixels..
How does Leica’s medium format entry measure up in ergonomics, image quality, etc?.
Examples and comparison from the various lenses.
The last CCD-sensor Leica S model..
All-arounder zoom for Leica S.
Milvus garb for the venerable 15/2.8 Distagon, with improved lens coating..
An outstanding 18mm design..
The classic 21/2.8 Distagon improved..
Highest performing 35mm from Zeiss ever..
Classic design in the latest Milvus build..
Outstanding build and optical quality in a normal lens..
The classic 50/2 Makro-Planar improved..
Outstanding build and optical quality in a medium tele..
The classic 100/2 Makro-Planar improved..
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..
Start here to best utilize this guide..
Sharpness and rendering..
Ultra high performance in an extreme wild wide angle lens..
A brilliant, but also colorful character..
Brilliant imaging, even wide open, but with a few quirks. (Review in progress) .
Ultra high performance with a fast aperture..
A gem with unusual close-focus..
An artist’s drawing tool..
Strokes of a master..
Balance and poise..
Brilliant imaging in a compact package..
Comparing the two 50mm options near and far, more comparisons coming..
Versatility in a “normal” lens and macro too!.
Fast high performance APO wide angle..
Ultra high performance apochromatic normal lens, first in the Otus line..
Rendering style, bokeh and beauty..
Ultra high performance apochromatic medium telephoto, overview and technical..
Rendering style, bokeh and 'transparency' without peer..
Peering into shadows at night with the very best..
Razor sharp with gorgeous bokeh..
True-to-life imagery..
King of bokeh! Corner-to-corner sharpness, world class..
Beautiful bokeh, razor sharp, superb color correction..
Articles written for Lenspire.ZEISS.com..
Stuff I use..
[ARCHIVE, see Making Sharp Images]. Exploring depth of field..
The limits of resolution are governed by physics..
Also known as shading..
Blurry lenses right out of the box..
Questions and answers on photography and computers and more..
Photography Hints and Tips..
Zeiss ZF.2 and Zeiss ZE Lenses For Canon and Nikon.
Medium format Zeiss glass in Hartblei precision tilt/shift lens barrels!.
Lenses for Leica M cameras, especially the M9.
Vintage 2006 comparative review of Nikon D200 vs Nikon D2x..
Fast standard zoom lens..
Bread and butter all-around zoom..
Bread and butter all-around zoom..
High speed normal lens optimized for Canon mirrorless..
Setup, IBIS performance, focusing..
Setup, IBIS performance, focusing..
Image quality..
Fast ultra wide angle for Nikon Z..
Fast wide angle for Nikon Z..
Ultra wide compact zoom for Nikon Z cameras..
Ultra-wide zoom lens..
Fast mid-range zoom expressly designed for Nikon Z cameras..
Mid-range zoom expressly designed for Nikon Z cameras..
Moderate wide angle expressly designed for Nikon Z cameras..
Ultra-wide fast zoom..
Ultra high speed normal lens, flagship of the line..
Fast portrait telephoto for Nikon Z..
5th Generation standard-setting camera..
Technological tour de force..
Eye autofocus with humans, animals, birds..
Attention to details: a big upgrade over the A7R..
Full frame compact mirrorless with interchangeable lenses..
Ultra high performance extreme wide angle..
Compact ultra-wide angle lens..
Fast wide angle..
High performance mild wide-angle..
Fast and gorgeous moderate wide angle Zeiss design..
Fast high performance normal lens of Zeiss design..
Compact moderate wide angle for Sony mirrorless..
High performance, high speed..
High performance, high speed..
Compact normal lens for full-frame Sony mirrorless..
Top-grade medium telephoto..
Razor sharp medium telephoto with apodization filter..
Native-mount macro length designed by Zeiss..
Top-grade telephoto..
Super-fast ultra-wide astrophotography lens..
Native-mount ultra wide angle high performance zoom for mirrorless..
Native-mount mid-range zoom for mirrorless..
Ultra high speed native-mount moderate wide angle..
Fast native-mount moderate wide angle..
Ultra high performance medium telephoto..
Highly corrected medium telephoto..
High-grade manual focus wide-normal lens..
High-grade manual focus normal lens..
Fisheye lens for Sony mirrorless..
Anything wider would be a fisheye..
Fast high performance manual focus wide angle..
Fast mild wide angle lens..
Fast lens speed with curious rendering..
High-grade manual focus wide-normal lens..
Fast lens speed for versatile rendering..
High-grade manual focus normal lens..
Ultra high grade macro all-arounder..
Ultra fast medium telephoto manual focus lens..
Fast extreme wide angle zoom..
Extreme wide angle zoom..
Pro-grade f/2.8 wide angle zoom, updated..
Comapact ultra-wide zoom for Sony full frame mirrorless..
Wide range zoom aimed at bloggers..
Premiere mid-range zoom for Sony full frame mirrorless.
Premiere mid-range zoom for Sony full frame mirrorless.
Wide mid-range zoom targeted at video shooters..
Barely good-enough telephoto zoom for Sony full frame mirrorless.
Hand-holdable super telephoto zoom..
Hand-holdable super telephoto zoom..
Extreme wide angle macro lens for Sony mirrorless..
Manual focus apodized lens for ultra smooth focus..
Ultra wide angle lens adapted from DSLR, native E-mount, all manual..
Wide angle lens adapted from DSLR, native E-mount, all manual..
Eliminating the camera body barrier— any kind of lens with Live View EVF and LCD.
Does pricey M glass deliver on mirrorless?.
The best compact big-sensor digital camera yet?.
Razor sharp 28mm lens on APS-C sensor and outstanding usability and features..
Diminutive full-frame camera with 35mm f/2 fixed lens..
Full frame camera in an ultra-compact body with or without anti-aliasing filter..
Stunningly high image quality in a 20MP point and wide range zoom..
General things to know about Four Thirds and Micro Four Thirds..
A high performance mid-range zoom..
Fast portrait lens..
Native Micro Four Thirds macro lens..
Olympus lenses for Micro Four Thirds cameras..
Beautiful bokeh, long reach fast speed, compact lens..
Super telephoto with superb bokeh and color correction..
A fisheye with great contrast and high resolving power..
Compact wide angle equivalent to 16-36mm..
A weak sibling covers the wide end.
A fast and lovely 'normal' lens (50mm equiv) for Micro 4/3..
Fast, bright and highly corrected medium telephoto..
High performance super telephoto..
A worthy upddate to the E-M5 with pro-grade build quality..
Superb ergonomic design in a compact camera..
Updated model with HighRes sensor shift mode..
Can smaller sensor cameras compete with larger ones on any basis?.
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..
Wide angle zoom equivalent to 15-36mm.
Fujifilm’s kit zoom for the X-E1.
Compact moderate wide angle..
A fast normal lens..
Compact normal lens..
A bright short telephoto lens..
Medium-long fast telephoto..
24 or 16 megapixels in a compact body with APS-C sensor..
Value camera: 24 megapixel APS-C sensor with EVF and vibration-free shutter..
Use DSLR lenses at ~native focal length, and gain a stop of speed..
Outstanding ultra wide angle performer..
Outstanding wide angle, superb performer..
Manual focus moderate wide angle for full-frame mirrorless..
Manual focus normal lens for full-frame mirrorless..
Manual focus telephoto lens for full-frame mirrorless..
Zeiss autofocus lenses Sony full-frame mirrorless..
Autofocus extreme wide angle for Sony full-frame mirrorless..
Autofocus wide angle for Sony full-frame mirrorless..
All-around slightly wide angle/normal with close focus..
Autofocus portrait lens for Sony full-frame mirrorless..
Ultra wide angle lens for Sony NEX or Fujifilm X..
Normal lens for Sony NEX or Fujifilm X..
Moderate telephoto macro lens for Sony NEX or Fujifilm X. Useful on full frame too!.
Leica’s 28-70mm APS-C compact camera..
21mm f/5.6 equivalent FOV lens..
45mm f/2.8 equivalent FOV lens..
28mm f/2.8 equivalent lens on APS-C sensor..
45mm f/2.8 equivalent lens on APS-C sensor..
75mm f/2.8 equivalent lens on APS-C sensor..
Leica M 60-megapixel monochrome sensor..
Leica M mount in slim body with SL-type sensor..
Relative sharpness and performance across cameras..
Relative sharpness and performance vs APS-C cameras..
24-megapixel CMOS monochrome sensor..
Focusing issue.
Leica’s ultra wide angle zoom lens..
Leica’s widest prime lens..
Leica’s fastest and widest lens..
Leica’s best-performing 21mm..
Leica’s fast wide angle..
Leica’s best-performing 24mm, and with a flat field..
Leica’s fast 28mm..
Leica’s widest lens utilizing built-in frame lines..
Leica’s smallest and lightest M lens with superlative performance..
Leica’s superlative and most natural lens for the M..
Six models to choose from..
World’s fastest 50mm full-frame lens..
Understanding the Rendering Style of the Noctilux..
Leica’s superlative normal lens..
High performance but flawed 50mm normal lens..
Leica’s ultra high grade and ultra fast modern short telephoto..
Leica’s medium tele for Leica M..
Leica’s budget 75mm medium telephoto..
Leica’s retro telephoto..
General discussion of R lenses on M..
Compact lens for portraiture or similar..
Superb all-around macro and general-purpose lens..
World’s best mid-range telephoto lens..
Compact and ultra high performance long telephoto..
Notes and examples..
Moderate speed high contrast ultra-wide..
Fast and ultra high performance moderate wide angle rangefinder lens..
Compact high performance medium telephoto..
Fast high performance wide angle..
World-class performer for Leica M..
World-class performer for Leica M..
A slightly slower, but smaller and lighter alternative to the Noctilux, at 1/10 the price..
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..
2022-04-05 Fujifilm GFX100/GFX100S: Optimizing Depth of Field Placement for Landscape Photography
2022-02-26 Autofocus Accuracy: Fujifilm GFX100S + Fujifilm GF 35-70mm f/4.5-5.6
2021-05-04 Reader Question: Testing for Focus Shift
2021-03-07 Longer “reach”: Micro Four Thirds vs Cropping Full-Frame or APS-C
2020-10-18 Analyzing Swing and Tilt of Sony A7R IV with Two Samples of Sony FE 12-24mm f/2.8 GM
2020-10-18 Swing and Tilt: Subject Distance vs Lens Focusing Offset
2019-11-22 On the Way for Testing: Phase One IQ4 150-Megapixel Medium Format System
2019-05-26 Focus Shift, a General Discussion
2018-10-26 Shootout @ 35mm, Nikon NIKKOR Z 24-70mm f/4 S vs 35mm f/1.8 S: Stand of Bare Aspen by Creek
2018-10-09 Nikon Z7: Image Sharpness vs Zone of Focus, Autofocus Error and Mitigation
2018-08-01 Is It the End of the Development Road for Leica M Cameras? (Updated with Reader Comments)
2018-06-24 Nikon 105mm f/2 DC: Comparing the Defocus Control (DC) Feature
2018-06-22 Bokeh Shootout: Leica 90mm f/2.2 Thambar-M vs Nikon 105mm f/2 DC: Bird of Paradise
2017-11-13 Depth of Field Akin to f/128: an Incredible Near-Far Focus Stack with the Zeiss Milvus 18mm f/2.8
2017-09-26 Sigma 14mm f/1.8 DG HSM Art Aperture Series: Dead and Live Aspen, Dusk
2017-08-10 Fujifilm GFX 50s Firmware Update Might Degrade Focusing by Stopping Down?
2017-04-13 Fujifilm GF 32-64mm f/4 @32mm Focus Stack: Barroom Interior
2017-02-24 Sigma Announces 14mm f/1.8 DG HSM Art for Nikon and Canon DSLRs and Sigma sa
2016-12-02 Want a Fast Lens for Micro Four Thirds? HandeVision IBELUX 40mm f/0.85 is 71% Off
2016-10-15 Reader Question: Focusing with Sony Mirrorless
2016-09-19 Olympus 25mm f/1.2 PRO
2016-09-04 Focus Stacking with Sony 85/1.4 GM: Getting that Impossible Depth of Field for Landscape Scenes
2016-09-01 Panasonic Leica DG Summilux 12mm f/1.4 ASPH
2016-08-28 Focus Stacking: Banishes Depth of Field Limitations for Many Field Images
2016-07-26 Perception and Imaging
2016-07-19 An In-Depth Look at Focus Stacking in 'Making Sharp Images'
2016-07-16 Stacking Two Frames for Impossible Depth of Field
2016-02-25 Reader Comment on Pentax K3 II Super Resolution Mode: “Museum Artifact Work”
2015-12-28 End of the Year: 3 Days Left for Small Business to Write off that new Computer, Camera, etc
2015-12-22 Recommended Computer Upgrades, B&H Free Overnight + Small Business Deduction Note
2015-12-14 End of the Year: Time for Small Business Owners to Consider Getting that new Computer Gear, etc
2015-10-22 The Irrational Aim of f/1.4 Lenses
2015-05-26 Zeiss Batis: Notes on OLED Display, Distance and Depth of Field Scales
2015-04-22 Zeiss Announces 'Batis' line: Zeiss Batis 25mm f/2 Distagon and Zeiss Batis 85mm f/1.8 Sonnar
2015-04-09 Table of f-stops: Full Stops, 1/2 Stops, 1/3 Stops (Depth of Field)
2015-03-26 Reviewed: Sigma 24mm f/1.4 DG HSM Art
2014-05-25 Format Equivalent Depth of Field: APS-C vs Full Frame
2014-05-21 Increasing Depth of Field via Focus Stacking (Wagon, 280/4 APO)
2014-05-21 Bypassing Normal Depth of Field Limitations Using a Tilt/Shift Lens: Landscape Usage (Lembert Dome)
2014-05-19 Format Equivalent Depth of Field: a Non-Alcoholic Demonstration (Micro Four Thirds vs Full Frame)
2014-05-19 Tilt/Shift Lenses: Focusing for Optimal Tilt Placement + Focus Peaking Assist
2014-05-18 Using Tilt (Swing) to Isolate a Subject
2014-05-18 Bypassing Normal Depth of Field Limitations Using a Tilt/Shift Lens
2014-05-09 Format Equivalent Depth of Field, Depth of Field at the Periphery
2014-05-03 Depth of Field with Real Lenses
2013-09-15 Fujifilm XF 23mm f/1.4 R
2013-08-10 New Features for Finding Stuff at diglloyd.com
2013-07-26 Leica 35mm f/1.4 Summilux-M ASPH: Glacial Erratics and Focus Placement (Leica M Typ 240)
2013-07-24 Micro Four Thirds vs APS-C: Summary
2013-07-24 Micro Four Thirds vs APS-C: Size and Weight Realities
2013-07-24 Micro Four Thirds vs APS-C: Lens Size
2013-07-24 Micro Four Thirds vs APS-C: Aspect Ratio
2013-07-12 Focus Bracketing for Peak Sharpness with a 15mm Lens
2013-07-11 A 15mm Lens has “Huge Depth of Field”, Right?
2013-04-26 APS-C Emerges as “the new full frame quality” + the Sagging Momentum of Micro Four Thirds (m4/3)
2013-04-17 Sigma DP2 Merrill Sharpness: Impressive Sharpness and Realized Depth of Field
2013-01-14 Metabones Speed Booster — Comments from the Designer
2012-05-22 Exploiting the Sensor Resolution: Depth of Field on the Nikon D800E
2012-05-16 Reader Asks: Depth of Field
2012-04-26 Optimal Aperture for Nikon D800
2012-03-08 Thoughts on Canon EOS 5D Mark III, 22.3 Megapixels
2012-03-07 Diffraction, Sharpness and Nikon D800E
2012-02-09 What Does Depth of Field Mean on a 36 Megapixel Camera?
2010-06-14 Landscape photography at f/0.95 in Patriarch Grove
2010-06-03 Depth of field with a fast lens in daylight
2010-04-12 Carl Zeiss on “Depth of Field and Bokeh”
2008-11-11 Tip of the day: Depth of field
2008-10-21 Selective depth of field
2008-09-03 Question of the Day: 18mm, 25mm, 28mm?
2008-06-26 Depth of field, diffraction, and megapixels
2008-05-03 Depth of field
2007-12-25 Zeiss ZF 28/2 Distagon—depth of field
2007-08-14 A herd of words
2007-02-17 Depth of field
2006-10-15 How far to stop down for adequate depth of field?
2006-07-20 Depth of field and megapixels
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