Pages keyworded by “optics” at diglloyd.com

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2018-07-11 Reader Question: Color Rendition of Lenses

2018-07-06 Reader Question on Vignetting for Zeiss Loxia 50mm f/2 Planar

2018-06-04 Distortion in Guide to Leica: Leica 90mm f/2.2 Thambar-M

2018-06-04 Distortion in Guide to Leica: Leica 75mm f/1.25 Noctilux-M ASPH

2018-06-04 Vignetting in Guide to Leica: Leica 90mm f/2.2 Thambar-M

2018-06-04 Vignetting in Guide to Leica: Leica 75mm f/1.25 Noctilux-M ASPH

2018-03-13 Optical Distortion vs Perspective 'Distortion' in Mirrorless Cameras: Venus Optics Laowa 12mm f/2.8 Zero-D

2018-03-13 Venus Optics Laowa 12mm f/2.8 Zero-D: Three Aperture Series + Distortion Explained

2018-02-14 Distortion for Zeiss Loxia 25mm f/2.4 Distagon in Mirrorless Cameras: Zeiss Loxia 25mm f/2.4 Distagon

2018-02-14 Vignetting for Zeiss Loxia 25mm f/2.4 Distagon in Mirrorless Cameras: Zeiss Loxia 25mm f/2.4 Distagon

2018-02-07 Distortion @ 35mm: Corrected vs Uncorrected in Mirrorless Cameras: Sony FE 24-105mm f/4 G OSS

2018-02-07 Distortion for Zeiss Loxia 35/2 Biogon in Mirrorless Cameras: Zeiss Loxia 35mm f/2 Biogon

2018-02-07 Distortion for Zeiss Loxia 85mm f/2.4 Sonnar in Mirrorless Cameras: Zeiss Loxia 85mm f/2.4 Sonnar

2018-01-28 Distortion Correction @ 105mm: Loss of Sharpness and Micro Contrast (Pixel Shift) in Mirrorless Cameras: Sony FE 24-105mm f/4 G OSS

2018-01-28 Distortion Correction @ 24mm: Loss of Sharpness and Micro Contrast (Pixel Shift) in Mirrorless Cameras: Sony FE 24-105mm f/4 G OSS

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

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

2017-10-18 Distortion for Milvus 25/1.4 in Zeiss DSLR Lenses: Milvus 25mm f/1.4

2017-10-18 Vignetting for Milvus 25/1.4 in Zeiss DSLR Lenses: Milvus 25mm f/1.4

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

2017-10-06 Aperture Series + Focus Stack: Precocious Cluster of Yellow Aspen Leaves in Advanced DSLR: Sigma 14mm f/1.8 DG HSM Art

2017-10-06 Sigma 14mm f/1.8 DG HSM Art Aperture Series: Precocious Cluster of Yellow Aspen Leaves

2017-10-01 Sensor Resolution: Technical Challenges in Exploiting It in Advanced DSLR: Nikon D850

2017-08-30 Aperture Series: Dolls in Mirrorless Cameras: Voigtlander 65mm f/2 Macro APO-Lanthar Aspherical

2017-08-03 Distortion Examples @ 12mm, Uncorrected and Corrected in Mirrorless Cameras: Sony FE 12-24mm f/4 G

2017-07-23 Distortion Examples @ 17mm, Uncorrected and Corrected in Mirrorless Cameras: Sony FE 12-24mm f/4 G

2017-07-23 Distortion Examples @ 24mm, Uncorrected and Corrected in Mirrorless Cameras: Sony FE 12-24mm f/4 G

2017-07-23 Sony 12-24mm f/4G Distortion: Uncorrected vs Corrected

2017-07-14 Distortion Correction and Micro Contrast Losses in Medium Format: Fujifilm GF 23mm f/4 R WR

2017-07-11 Sony FE 12-24mm f/4 G: Aperture Series at 17mm and 24mm (Mosaic)

2017-07-10 Sony FE 12-24mm f/4 G: Aperture Series at 12mm (Mosaic)

2017-06-21 Distortion for Milvus 35/1.4 in Zeiss DSLR Lenses: Milvus 35mm f/1.4

2017-06-21 Vignetting for Milvus 35/1.4 in Zeiss DSLR Lenses: Milvus 35mm f/1.4

2017-05-11 Distortion, Uncorrected and Corrected at Close Range in Advanced DSLR: Sigma 135mm f/1.8 DG HSM Art

2017-05-07 Distortion, Uncorrected and Corrected at Distance in Advanced DSLR: Sigma 135mm f/1.8 DG HSM Art

2017-04-11 Distortion in Medium Format: Fujifilm GF 63mm f/2.8 R WR

2017-04-11 Fujifilm GF 63mm f/2.8 Distortion Example

2017-04-04 Vignetting for Zeiss Batis 135/2.8 APO-Sonnar in Mirrorless Cameras: Zeiss Batis 135mm f/2.8 APO-Sonnar

2017-03-07 Fujifilm GFX 50s + 120mm f/4 Macro Plus Diffraction and Sharpening Evaluations

2017-03-07 Mitigating Diffraction from f/4 through f/32 in Medium Format: Fujifilm GFX Image Processing

2017-03-02 Distortion in Medium Format: Hasselblad XCD 90mm f/3.2

2017-03-02 Distortion in Medium Format: Hasselblad XCD 45mm f/3.5

2017-03-02 Distortion in Medium Format: Hasselblad XCD 30mm f/3.5

2017-03-02 Distortion in Medium Format: Hasselblad XCD 120mm f/3.5

2017-03-02 Vignetting in Medium Format: Hasselblad XCD 90mm f/3.2

2017-03-02 Vignetting in Medium Format: Hasselblad XCD 45mm f/3.5

2017-03-02 Vignetting in Medium Format: Hasselblad XCD 30mm f/3.5

2017-03-02 Vignetting in Medium Format: Hasselblad XCD 120mm f/3.5

2016-12-08 Distortion for Milvus 18/2.8 in Zeiss DSLR Lenses: Milvus 18mm f/2.8

2016-12-08 Vignetting for Milvus 18/2.8 in Zeiss DSLR Lenses: Milvus 18mm f/2.8

2016-12-08 Vignetting for Zeiss Loxia 85mm f/2.4 Sonnar in Mirrorless Cameras: Zeiss Loxia 85mm f/2.4 Sonnar

2016-12-03 Examples: Corrected vs Uncorrected Lateral Chromatic Aberration in Advanced DSLR: Nikon 19mm f/4E ED PC-E

2016-10-21 Distortion @ 24mm, Corrected vs Uncorrected in Advanced DSLR: Sigma 24-35mm f/2 DG HSM Art

2016-10-14 Distortion @ 35mm, Corrected vs Uncorrected in Advanced DSLR: Sigma 24-35mm f/2 DG HSM Art

2016-10-14 Distortion vs Sigma 24-35mm f/2A, Corrected vs Uncorrected (Cabin) in Advanced DSLR: Sigma 35mm f/1.4 DG HSM Art

2016-09-24 Vignetting Examples in Advanced DSLR: Nikon AF-S 105mm f/1.4E ED

2016-09-08 Distortion for Milvus 135/2 in Zeiss DSLR Lenses: Milvus 135mm f/2

2016-09-08 Distortion for Milvus 15/2.8 in Zeiss DSLR Lenses: Milvus 15mm f/2.8

2016-09-08 Vignetting for Milvus 135/2 in Zeiss DSLR Lenses: Milvus 135mm f/2

2016-09-08 Vignetting for Milvus 15/2.8 in Zeiss DSLR Lenses: Milvus 15mm f/2.8

2016-09-06 Distortion for Zeiss Loxia 50/2 Planar in Mirrorless Cameras: Zeiss Loxia 50mm f/2 Planar

2016-07-23 Distortion @ 24mm, Uncorrected and Corrected (DeChambeau Barn) in Guide to Leica: Leica 24-90mm f/2.8-4 Vario-Elmarit-SL ASPH OIS

2016-07-20 Distortion for Zeiss ZM 35/1.4 Distagon in Guide to Leica: Zeiss ZM 35mm f/1.4 Distagon

2016-06-21 Distortion in Guide to Leica: Leica 90mm f/4 Macro-Elmar-M

2016-06-21 Vignetting in Guide to Leica: Leica 90mm f/4 Macro-Elmar-M

2016-06-20 Leica SL vs M240: Lens Corrections and Color Rendering with M Lenses in Guide to Leica: Leica SL Typ 601

2016-06-20 Leica SL vs M240: Lens Corrections and Color Rendering with M Lenses

2016-06-18 Distortion @ 24mm and 90mm, Uncorrected and Corrected (Cerro Gordo Museum Interior) in Guide to Leica: Leica 24-90mm f/2.8-4 Vario-Elmarit-SL ASPH OIS

2016-05-17 Color Fringing (Lateral Chromatic Aberration) at 15mm, 21mm, 30mm (Pentax K-1 SuperRes) in Advanced DSLR: Pentax HD FA 15-30mm f/2.8 ED SDM WR

2016-05-12 Distortion Uncorrected and Corrected in Mirrorless Cameras: Voigtlander Super Wide-Heliar 15/4.5 Aspherical III

2016-05-04 Diffraction Limits on Image Quality in Mirrorless Cameras: Sony DSC-RX10 III

2016-04-26 Distortion @ 24mm: Uncorrected vs Corrected in Mirrorless Cameras: Sony FE 24-70mm f/2.8 GM

2016-04-26 Distortion @ 35mm: Uncorrected vs Corrected in Mirrorless Cameras: Sony FE 24-70mm f/2.8 GM

2016-04-26 Distortion @ 50mm: Uncorrected vs Corrected in Mirrorless Cameras: Sony FE 24-70mm f/2.8 GM

2016-04-26 Distortion @ 70mm: Uncorrected vs Corrected in Mirrorless Cameras: Sony FE 24-70mm f/2.8 GM

2016-04-26 Sony G Master 24-70mm f/2.8 GM Distortion Examples, Uncorrected vs Corrected

2016-04-20 Optical Distortion: Zeiss Batis 18mm f/2.8 and Voigtlander 15mm f/4.5 for Sony Mirrorless

2016-04-14 Distortion for Zeiss Batis 18/2.8 Distagon in Mirrorless Cameras: Zeiss Batis 18mm f/2.8 Distagon

2016-04-14 Vignetting for Zeiss Batis 18/2.8 Distagon in Mirrorless Cameras: Zeiss Batis 18mm f/2.8 Distagon

2016-04-14 Zeiss Batis 18mm f/2.8 Distagon: Data Sheet Confusing Because Distortion Graph is Software-Corrected (only)

2016-02-22 Distortion, Uncorrected vs Corrected in Advanced DSLR: Pentax SMCP-FA 43mm f/1.9 Limited

2016-02-08 Image/Sensor Size, and 645Z Focal Length and F-Stop Equivalence vs DSLR in Medium Format: Pentax 645Z Overall

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

2016-01-26 Distortion in Guide to Leica: Leica 28mm f/2.8 Elmarit-M ASPH (2016)

2016-01-26 Distortion in Guide to Leica: Leica 28mm f/2 Summicron-M ASPH (2016)

2016-01-26 Vignetting in Guide to Leica: Leica 28mm f/2.8 Elmarit-M ASPH (2016)

2016-01-26 Vignetting in Guide to Leica: Leica 28mm f/2 Summicron-M ASPH (2016)

2016-01-25 Concentric Diaphragm Echo Bokeh (from diffraction) in Making Sharp Images: Bokeh and Blur

2016-01-19 Vignetting for Milvus 35/2 in Zeiss DSLR Lenses: Milvus 35mm f/2

2016-01-18 Vignetting for Milvus 100/2M in Zeiss DSLR Lenses: Milvus 100mm f/2M

2016-01-01 Distortion Uncorrected vs Corrected in Mirrorless Cameras: Sony Cybershot RX1R II

2016-01-01 Sony RX1R II Distortion

2015-12-20 Distortion for Sigma 20mm f/1.4 DG HSM Art + Examples in Advanced DSLR: Sigma 20mm f/1.4 DG HSM Art

2015-12-20 Sigma 20mm f/1.4 DG HSM Art Aperture Series: Distortion examples, Uncorrected and Corrected

2015-12-18 Distortion (and Correction) for Nikon 24mm f/1.8G in Advanced DSLR: Nikon AF-S Nikkor 24mm f/1.8G

2015-12-18 Vignetting for Nikon 24mm f/1.8G in Advanced DSLR: Nikon AF-S Nikkor 24mm f/1.8G

2015-12-13 Vignetting for Sigma 20mm f/1.4 DG HSM Art in Advanced DSLR: Sigma 20mm f/1.4 DG HSM Art

2015-10-14 Aperture Series: Secondary Color (SLOCA) and Field Curvature at Close Range in Zeiss DSLR Lenses: Otus 28mm f/1.4 APO-Distagon

2015-10-14 Distortion for Zeiss Otus 28/1.4 in Zeiss DSLR Lenses: Otus 28mm f/1.4 APO-Distagon

2015-10-14 Vignetting for Zeiss Otus 28/1.4 in Zeiss DSLR Lenses: Otus 28mm f/1.4 APO-Distagon

2015-10-12 Distortion for Zeiss Loxia 21/2.8 Distagon in Mirrorless Cameras: Zeiss Loxia 21mm f/2.8 Distagon

2015-10-12 Vignetting for Zeiss Loxia 21/2.8 Distagon in Mirrorless Cameras: Zeiss Loxia 21mm f/2.8 Distagon

2015-09-17 King of Bokeh, well-controlled SLOCA?

2015-09-16 Distortion for Milvus 100/2M in Zeiss DSLR Lenses: Milvus 100mm f/2M

2015-09-16 Distortion for Milvus 21/2.8 in Zeiss DSLR Lenses: Milvus 21mm f/2.8

2015-09-16 Distortion for Milvus 35/2 in Zeiss DSLR Lenses: Milvus 35mm f/2

2015-09-16 Distortion for Milvus 50/2M in Zeiss DSLR Lenses: Milvus 50mm f/2M

2015-09-16 Leica 28mm f/1.4 Summilux-M ASPH: Analysis/Example of SLOCA (Secondary Longitudinal Chromatic Aberration)

2015-09-16 Secondary Longitudinal Chromatic Aberration (M240) in Guide to Leica: Leica 28mm f/1.4 Summilux-M ASPH

2015-09-16 Vignetting for Milvus 21/2.8 in Zeiss DSLR Lenses: Milvus 21mm f/2.8

2015-09-16 Vignetting for Milvus 50/2M in Zeiss DSLR Lenses: Milvus 50mm f/2M

2015-09-13 On Secondary Color: Collective Context-Dropping regarding Zeiss Milvus 50/1.4 Distagon

2015-09-01 Distortion for Milvus 50/1.4 in Zeiss DSLR Lenses: Milvus 50mm f/1.4

2015-09-01 Distortion for Milvus 85/1.4 in Zeiss DSLR Lenses: Milvus 85mm f/1.4

2015-09-01 Vignetting for Milvus 50/1.4 in Zeiss DSLR Lenses: Milvus 50mm f/1.4

2015-09-01 Vignetting for Milvus 85/1.4 in Zeiss DSLR Lenses: Milvus 85mm f/1.4

2015-08-08 Sony A7R II with Leica M Lenses

2015-08-05 Distortion for Leica 24mm f/3.5 Super-Elmar-S ASPH in Medium Format: Leica 24mm f/3.5 Super-Elmar-S ASPH

2015-08-05 Vignetting for Leica 24mm f/3.5 Super-Elmar-S ASPH in Medium Format: Leica 24mm f/3.5 Super-Elmar-S ASPH

2015-07-31 Distortion for Leica 45mm f/2.8 Elmarit-S ASPH in Medium Format: Leica 45mm f/2.8 Elmarit-S ASPH

2015-07-31 Vignetting for Leica 100mm f/2 Summicron-S ASPH in Medium Format: Leica 100mm f/2 Summicron-S ASPH

2015-07-31 Vignetting for Leica 45mm f/2.8 Elmarit-S ASPH in Medium Format: Leica 45mm f/2.8 Elmarit-S ASPH

2015-07-30 Distortion for Leica 100mm f/2 Summicron-S ASPH in Medium Format: Leica 100mm f/2 Summicron-S ASPH

2015-07-08 Reader Question: Diffraction

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

2015-07-06 Correcting Lateral Chromatic Aberration and Distortion (24-70mm f/2.8L II @ 24mm, Barcroft Army Boxes) in Advanced DSLR: Canon EOS 5DS / 5DS R

2015-07-03 Leica Q: Extreme Distortion Degrades Sharpness, Reduces True Resolution, Decreases Field of View in Guide to Leica: Leica Q (Typ 116)

2015-06-25 Moiré and Diffraction Across Apertures: Canon 5DS R vs 5DS (Window Screen) in Advanced DSLR: Canon EOS 5DS / 5DS R

2015-05-27 Aperture Series to Assess Diffraction and Digital Artifacts (Dolls) in Guide to Leica: Leica M Monochrom Typ 246

2015-05-27 Leica M Monochrom Typ 246: Aperture Series to Assess Diffraction and Digital Artifacts (Dolls)

2015-05-27 Sony: Which Lens Corrections are Baked Into the Raw ARW File?

2015-05-26 Automatic Correction for Lateral Chromatic Aberration in Adobe Camera Raw in Mirrorless Cameras: Sony Alpha A7R

2015-05-26 Distortion for Sony 28mm f/2 (Examples) in Mirrorless Cameras: Sony FE 28mm f/2

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

2015-05-21 Distortion for Leica 28mm f/1.4 Summilux-M ASPH in Guide to Leica: Leica 28mm f/1.4 Summilux-M ASPH

2015-05-21 Vignetting for Leica 28mm f/1.4 Summilux-M ASPH in Guide to Leica: Leica 28mm f/1.4 Summilux-M ASPH

2015-04-30 Distortion for Zeiss Batis 25/2 Distagon in Mirrorless Cameras: Zeiss Batis 25mm f/2 Distagon

2015-04-30 Distortion for Zeiss Batis 85/1.8 Sonnar in Mirrorless Cameras: Zeiss Batis 85mm f/1.8 Sonnar

2015-04-30 Vignetting for Zeiss Batis 25/2 Distagon in Mirrorless Cameras: Zeiss Batis 25mm f/2 Distagon

2015-04-30 Vignetting for Zeiss Batis 85/1.8 Sonnar in Mirrorless Cameras: Zeiss Batis 85mm f/1.8 Sonnar

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

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

2015-04-09 Table of f-stops: Full Stops, 1/2 Stops, 1/3 Stops (Depth of Field)

2015-04-02 Distortion: 75mm f/2.4 (2.5) Summarit-M in Guide to Leica: Leica 75mm f/2.4 (2.5) Summarit-M

2015-04-02 Vignetting: 75mm f/2.4 (2.5) Summarit-M in Guide to Leica: Leica 75mm f/2.4 (2.5) Summarit-M

2015-03-27 Distortion for Sigma 24mm f/1.4 DG HSM Art in Advanced DSLR: Sigma 24mm f/1.4 DG HSM Art

2015-03-27 Sigma 24mm f/1.4 DG HSM Art: Vignetting and Distortion

2015-03-27 Vignetting for Sigma 24mm f/1.4 DG HSM Art in Advanced DSLR: Sigma 24mm f/1.4 DG HSM Art

2015-03-16 Manzanar (WW II Relocation Camp for Japanese Americans)

2015-02-25 Diffraction vs Color Aliasing (Leica M240) in Making Sharp Images: Digital Sensor Technology

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

2015-02-24 Effects of Diffraction Blur on Color Aliasing in Making Sharp Images: Digital Sensor Technology

2015-02-24 Mitigating Color Aliasing via Diffraction

2015-01-12 Vignetting for Zeiss ZM 35/1.4 Distagon in Guide to Leica: Zeiss ZM 35mm f/1.4 Distagon

2014-11-29 Distortion Examples @ 16mm / 17mm in Mirrorless Cameras: Sony FE 16-35mm f/4 ZA OSS Vario-Tessar

2014-11-29 Distortion Examples @ 20mm / 21mm in Mirrorless Cameras: Sony FE 16-35mm f/4 ZA OSS Vario-Tessar

2014-11-29 Distortion Examples @ 24mm in Mirrorless Cameras: Sony FE 16-35mm f/4 ZA OSS Vario-Tessar

2014-11-29 Distortion Examples @ 28mm in Mirrorless Cameras: Sony FE 16-35mm f/4 ZA OSS Vario-Tessar

2014-11-29 Distortion Examples @ 35mm in Mirrorless Cameras: Sony FE 16-35mm f/4 ZA OSS Vario-Tessar

2014-11-29 Sony FE 16-35mm f/4: Distortion at 16mm, 20/21mm, 24mm, 28mm, 35mm

2014-11-03 Distortion for Sony FE 35mm f/2.8 ZA Sonnar in Mirrorless Cameras: Sony FE 35mm f/2.8 ZA Sonnar

2014-10-15 Distortion (and Correction) for Nikon 20mm f/1.8G in Advanced DSLR: Nikon AF-S Nikkor 20mm f/1.8G

2014-10-15 Nikon 20mm f/1.8G ED: Distortion

2014-10-06 Distortion for ZM 35mm f/2.8 C-Biogon in Guide to Leica: Zeiss ZM 35mm f/2.8 C-Biogon

2014-09-16 Vignetting vs Effective Aperture at Periphery in Guide to Leica: Zeiss ZM 35mm f/1.4 Distagon

2014-09-13 Distortion: 21mm f/3.4 Super-Elmar-M ASPH in Guide to Leica: Leica 21mm f/3.4 Super-Elmar-M ASPH

2014-09-08 Distortion for Otus 85/1.4 APO-Planar in Zeiss DSLR Lenses: Otus 85mm f/1.4 APO-Planar

2014-09-08 Image Circle Size for 55/1.4 APO-Distagon and 135mm f/2 APO-Sonnar

2014-09-08 Vignetting in Zeiss DSLR Lenses: Otus 55mm f/1.4 APO-Distagon

2014-09-08 Vignetting in Zeiss DSLR Lenses: 135mm f/2 APO-Sonnar

2014-09-08 Vignetting for Otus 85/1.4 APO-Planar in Zeiss DSLR Lenses: Otus 85mm f/1.4 APO-Planar

2014-09-02 Vignetting for Zeiss Loxia 35/2 Biogon in Mirrorless Cameras: Zeiss Loxia 35mm f/2 Biogon

2014-09-02 Vignetting for Zeiss Loxia 50/2 Planar in Mirrorless Cameras: Zeiss Loxia 50mm f/2 Planar

2014-07-11 B&H Photo Now Offers Free Expedited Shipping (1/2/3 days depending on location)

2014-07-09 Distortion of Sigma 50/1.4A in Advanced DSLR: Sigma 50mm f/1.4 DG HSM Art

2014-07-04 645Z Diffraction Effects on Micro Contrast in Medium Format: Pentax 645Z Image Quality

2014-07-04 Distortion in Medium Format: Pentax SMC DA 645 25mm f/4 AL (IF) SDM AW

2014-07-02 Distortion at 16mm in Advanced DSLR: Canon 16-35mm f/4L IS

2014-06-21 dp2 Quattro Optical Distortion in Mirrorless Cameras: Sigma dp2 Quattro

2014-06-21 dp2 Quattro Vignetting in Mirrorless Cameras: Sigma dp2 Quattro

2014-06-20 Canon 17/4L: Distortion in Advanced DSLR: Canon TS-E 17/4L

2014-06-10 15/2.8 Distortion in Zeiss DSLR Lenses: 15mm f/2.8 Distagon

2014-06-10 25/2.8 Distortion in Zeiss DSLR Lenses: 25mm f/2.8 Distagon

2014-06-10 Distortion in Zeiss DSLR Lenses: 21mm f/2.8 Distagon

2014-06-10 Distortion in Zeiss DSLR Lenses: 18mm f/3.5 Distagon

2014-06-10 Distortion vs Nikon 14-24/2.8G in Zeiss DSLR Lenses: 21mm f/2.8 Distagon

2014-06-10 Distortion vs Nikon 14-24mm f/2.8G in Zeiss DSLR Lenses: 18mm f/3.5 Distagon

2014-06-10 Zeiss ZF.2 / ZE Distortion: 15/2.8, 18/3.5, 21/2.8 Distagons

2014-06-07 Sigma 50mm f/1.4 DG HSM: Discussing Optical and Autofocus Expectations, LOCA

2014-06-06 50/1.4 Planar Distortion in Zeiss DSLR Lenses: 50mm f/1.4 Planar

2014-06-06 50/1.4 Planar Vignetting in Zeiss DSLR Lenses: 50mm f/1.4 Planar

2014-06-06 50/2 Makro Planar Distortion in Zeiss DSLR Lenses: 50mm f/2 Makro-Planar

2014-06-06 50/2 Makro Planar Vignetting in Zeiss DSLR Lenses: 50mm f/2 Makro-Planar

2014-06-06 Distortion in Advanced DSLR: Sigma 35mm f/1.4 DG HSM Art

2014-05-31 Case Study: Secondary Color Variance with Focus in Making Sharp Images: Secondary Longitudinal Chromatic Aberration

2014-05-30 Distortion Examples: Uncorrected vs Corrected in Advanced DSLR: Nikon AF-S Nikkor 58mm f/1.4G

2014-05-30 Nikon 58mm f/1.4G: Distortion Uncorrected and Corrected

2014-05-25 Case Study: Format-Equivalent F-Stop: APS-C vs 35mm Full Frame (Pellegrino) in Making Sharp Images: Depth of Field

2014-05-25 Format Equivalent Depth of Field: APS-C vs Full Frame

2014-05-20 Case Study: Format-Equivalent F-Stop: Micro Four Thirds vs 35mm Full Frame (Pellegrino) in Making Sharp Images: Depth of Field

2014-05-19 Format Equivalent Depth of Field: a Non-Alcoholic Demonstration (Micro Four Thirds vs Full Frame)

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

2014-05-05 Format-Equivalent Depth of Field and F-Stop in Making Sharp Images: Depth of Field

2014-05-05 What are F-stop and T-stop? in Making Sharp Images: Depth of Field

2014-04-11 Faint Traces of Lateral Chromatic Aberration in Making Sharp Images: Lateral Chromatic Aberration

2014-04-10 Diffraction Star Patterns in Making Sharp Images: Bokeh and Blur

2014-04-10 Sigma 50/1.4A: Color Correction and LOCA, Implications in Advanced DSLR: Sigma 50mm f/1.4 DG HSM Art

2014-04-09 Color Shading (Vignetting by Color) on Digital Sensors

2014-04-09 Why Is an ƒ/1.2 Lens so Dark on Digital?

2014-04-08 Chromatic Aberration from Astigmatism (Pseudo LACA) in Making Sharp Images: Astigmatism

2014-04-08 Color Correction (LOCA, Secondary LOCA, LACA)

2014-04-08 Vignetting in Making Sharp Images: Vignetting (Field Illumination)

2014-04-07 Examples of Secondary Longitudinal Chromatic Aberration in Making Sharp Images: Secondary Longitudinal Chromatic Aberration

2014-04-07 Examples of Violet Fringing from Longitudinal Chromatic Aberration (LOCA) in Making Sharp Images: Longitudinal Chromatic Aberration

2014-04-07 Mitigating Longitudinal Chromatic Aberration by Stopping Down in Making Sharp Images: Secondary Longitudinal Chromatic Aberration

2014-04-07 Secondary Longitudinal Chromatic Aberration (Color Bokeh) in Making Sharp Images: Secondary Longitudinal Chromatic Aberration

2014-04-07 What Perfect Correction for LOCA Looks Like in Making Sharp Images: Secondary Longitudinal Chromatic Aberration

2014-04-03 Diffraction Flare with Stopping Down (Barn Interior) in Making Sharp Images: Diffraction

2014-04-03 Violet Fringing Case Study (LOCA with Zeiss 85mm and Leica 90mm) in Making Sharp Images: Longitudinal Chromatic Aberration

2014-04-03 Violet Fringing Case Study (LOCA with Zeiss Otus vs Others) in Making Sharp Images: Longitudinal Chromatic Aberration

2014-03-31 Secondary Color Correction with Leica 90/2 APO, Zeiss ZM 85mm f/4 Tele-Tessar, ZM 85/2 Sonnar: Barn Interior (Leica M240)

2014-03-26 Distortion at 16mm, 18mm, 21mm in Guide to Leica: Leica 16-18-21mm f/4 Tri-Elmar-M ASPH

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

2014-03-20 Distortion: Zeiss ZM 28mm f/2.8 C-Biogon in Guide to Leica: Zeiss ZM 28mm f/2.8 C-Biogon

2014-03-20 Vignetting: Zeiss ZM 28mm f/2.8 C-Biogon in Guide to Leica: Zeiss ZM 28mm f/2.8 C-Biogon

2014-03-19 Distortion for ZM 85/4 Tele-Tessar in Guide to Leica: Zeiss ZM 85mm f/4 Tele-Tessar

2014-03-19 Vignetting for ZM 85/4 Tele-Tessar in Guide to Leica: Zeiss ZM 85mm f/4 Tele-Tessar

2014-03-18 Astigmatism and Digital Sensors in Making Sharp Images: Astigmatism

2014-03-18 Astigmatism and Lateral Color: Why Performance is Lens + Sensor (aka why do my expensive lenses suck on mirrorless)

2014-03-06 Distortion: 28mm f/2 Summicron-M ASPH in Guide to Leica: Leica 28mm f/2 Summicron-M ASPH (pre-2016)

2014-03-05 85/1.4G vs 85/1.8G: Distortion (D800E) in Advanced DSLR: Nikon AF-S 85mm f/1.4G

2014-02-28 Guide to Leica: 18mm f/3.8 Super-Elmar-M ASPH, Aperture Series: Sidelit Barn at DeChambeau Ranch

2014-02-27 Guide to Leica: 18mm f/3.8 Super-Elmar-M ASPH, Aperture Series: Backlit Cottonwood at DeChambeau Ranch

2014-02-20 Vignetting in Zeiss DSLR Lenses: 18mm f/3.5 Distagon

2014-02-20 Vignetting and Color Shading vs Nikon 14-24mm in Zeiss DSLR Lenses: 18mm f/3.5 Distagon

2014-02-17 Guide to Leica: 24mm f/3.8 Elmar-M ASPH, Aperture Series: Colorful Leaves on Still Pool (M Typ 240)

2014-02-17 Guide to Leica: 90mm f/2 APO-Summicron-R ASPH, Aperture Series: Sunlit Grasses with Colorful Leaves (M Typ 240)

2014-02-16 Distortion and Color Fringing @ 43mm in Mirrorless Cameras: Sony FE 24-70mm f/4 OSS Vario-Tessar

2014-02-16 Distortion and Color Fringing @ 70mm in Mirrorless Cameras: Sony FE 24-70mm f/4 OSS Vario-Tessar

2014-02-16 Sony FE 24-70mm f/4 OSS Vario-Tessar: Aperture Series at 43mm, 70mm + Distortion and Color Fringing at 43mm, 70mm

2014-02-10 Distortion and Color Fringing @ 24mm in Mirrorless Cameras: Sony FE 24-70mm f/4 OSS Vario-Tessar

2014-02-10 Sony FE 24-70mm f/4 OSS Vario-Tessar: Distortion and Color Fringing at 24mm

2014-01-30 Olympus E-M1 + 12-40mm f/2.8 PRO @ 12mm: Aperture Series with Diffraction and Quality Discussion (Boulder Logjam)

2014-01-14 Mitigating A7R Micro Contrast Diffraction Losses with Sharpening in Mirrorless Cameras: Sony Alpha A7R

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

2013-12-06 Sony A7R: 'Shading Comp' Bug? in Mirrorless Cameras: Sony Alpha A7R

2013-12-06 Sony A7R: Shading, Color Shading and Lens Compensation

2013-12-06 Sony A7R: Vignetting and Lens Comp in Mirrorless Cameras: Sony Alpha A7R

2013-11-12 Correcting Distortion in Adobe Camera Raw in Advanced DSLR: Nikon AF-S 24mm f/1.4G ED

2013-10-07 Distortion in Zeiss DSLR Lenses: Otus 55mm f/1.4 APO-Distagon

2013-10-07 Whither Longitudinal Chromatic Aberration? in Zeiss DSLR Lenses: Otus 55mm f/1.4 APO-Distagon

2013-09-06 Distortion in Advanced DSLR: Samyang-14mm f/2.8

2013-09-06 Samyang 14mm f/2.8: Lens Skew Asymmetry

2013-09-03 Optical Distortion (RX1R) in Mirrorless Cameras: Sony Cybershot DSC-RX1 / RX1R

2013-09-03 Sony RX1R: Correcting Lens Distortion

2013-09-02 Distortion: 24mm f/1.4 Summilux-M ASPH in Guide to Leica: Leica 24mm f/1.4 Summilux-M ASPH

2013-09-02 Distortion: 24mm f/3.8 Elmar-M ASPH in Guide to Leica: Leica 24mm f/3.8 Elmar-M ASPH

2013-09-02 Distortion: 28mm f/2.8 Elmarit-M ASPH in Guide to Leica: Leica 28mm f/2.8 Elmarit-M ASPH (pre-2016)

2013-09-02 Distortion: 35mm f/1.4 Summilux-M ASPH in Guide to Leica: Leica 35mm f/1.4 Summilux-M ASPH (2010 FLE)

2013-09-02 Distortion: 50/1.4 Summilux-M ASPH in Guide to Leica: Leica 50mm f/1.4 Summilux-M ASPH

2013-09-02 Distortion: 50mm f/2 APO-Summicron-M ASPH in Guide to Leica: Leica 50mm f/2 APO-Summicron-M ASPH

2013-08-12 Leica M Typ 240 Lens Coding Failures

2013-08-04 Reader Inquiry: Sony RX100 vs RX100 II

2013-07-26 Leica 35mm f/1.4 Summilux-M ASPH: Glacial Erratics and Focus Placement (Leica M Typ 240)

2013-07-19 Ricoh GR: Flash Sync and Shutter Speeds, Leaf Shutter

2013-05-20 Zeiss Touit Lens Correction on Sony NEX and Fujifilm X in Free Articles: Overview of Zeiss Touit Lenses

2013-05-18 Distortion on Sony NEX, Fujifilm X in Mirrorless Cameras: Zeiss Touit 32mm f/1.8 Planar

2013-05-18 Vignetting on Sony NEX, Fujifilm X in Mirrorless Cameras: Zeiss Touit 32mm f/1.8 Planar

2013-05-18 Vignetting on Sony NEX, Fujifilm X in Mirrorless Cameras: Zeiss Touit 12mm f/2.8 Distagon

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

2013-05-17 Distortion on Sony NEX, Fujifilm X in Mirrorless Cameras: Zeiss Touit 12mm f/2.8 Distagon

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

2013-05-11 Distortion Correction in JPEG vs RAW (Sony NEX-7) in Mirrorless Cameras: Zeiss Touit 32mm f/1.8 Planar

2013-05-11 Zeiss Touit 32mm f/1.8 Planar: Correcting Distortion in Adobe Camera Raw

2013-05-10 Distortion Correction in JPEG vs RAW (Sony NEX-7) in Mirrorless Cameras: Zeiss Touit 12mm f/2.8 Distagon

2013-05-10 Zeiss Touit 12mm f/2.8 Distagon: Distortion Correction in JPEG, vs RAW

2013-05-10 Zeiss Touit 32mm f/1.8 Planar: Distortion Correction in JPEG, vs RAW

2013-05-04 Lens Corrections for Native Lenses on Sony NEX and Fuji X

2013-04-26 Dream Camera: Big Sensor Fixed Lens

2013-04-21 Mitigating Contrast Loss From Diffraction aka How to Make ƒ/16 Look Crisp

2013-04-21 Mitigating Micro Contrast Losses from Diffraction Blur in Making Sharp Images: Post Processing for Sharpness

2013-04-09 Color Bokeh (Secondary Longitudinal Chromatic Aberration, Dolls) in Guide to Leica: Leica 50mm f/2 APO-Summicron-M ASPH

2013-04-06 Distortion: ZM 50mm f/2 Planar in Guide to Leica: Zeiss ZM 50mm f/2 Planar

2013-04-06 Vignetting: ZM 50mm f/2 Planar in Guide to Leica: Zeiss ZM 50mm f/2 Planar

2013-04-02 Mitigating Contrast Loss From Diffraction aka How to Make ƒ/16 Look Crisp

2013-03-22 Performance on 56-megapixel DSLR Pixel Density + MTF (D7100, Dolls) in Zeiss DSLR Lenses: 135mm f/2 APO-Sonnar

2013-03-21 Diffraction Limits for High Resolution DSLR (Dolls, Nikon D7100) in Making Sharp Images: Diffraction

2013-03-21 Field Example (San Francisco, Canon 1Ds Mark III) in Making Sharp Images: Diffraction

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

2013-03-05 Is there a New Trend in Compact Cameras? (fixed lens, large sensor, Nikon Coolpix A)

2012-12-19 Color Shading / Vignetting (RX1) in Mirrorless Cameras: Sony Cybershot DSC-RX1 / RX1R

2012-12-15 Distortion, Correcting Distortion (RX1) in Mirrorless Cameras: Sony Cybershot DSC-RX1 / RX1R

2012-12-15 Sony RX1: Aperture Series, Distortion Correction

2012-12-11 Distortion: 200mm, 160mm in Advanced DSLR: Nikon AF-S 70-200mm f/4 ED VR and 70-200mm f/2.8 ED VR II

2012-12-11 Nikon 70-200mm f/4G ED VR Distortion

2012-11-25 Chromatic Aberration in Mirrorless Cameras: Sigma DN 19mm f/2.8

2012-10-15 Sigma Photo Pro 5: Correcting Lateral Chromatic Aberration in Mirrorless Cameras: Sigma Photo Pro Software 5.x

2012-10-14 Sigma DP1 Merrill — Correcting Lateral Chromatic Aberration

2012-09-13 Distortion in Zeiss DSLR Lenses: 135mm f/2 APO-Sonnar

2012-09-11 Localized Contrast Enhancement in Advanced DSLR: Photoshop How-To

2012-09-11 New Article in Workflow: Local Contrast enhancement

2012-09-09 Sony RX100: Adobe Camera RAW 7.2 RC Distortion Correction = FORCED ON

2012-08-19 RX100 Built-in Distortion Correction for JPEG in Mirrorless Cameras: Sony DSC-RX100

2012-07-31 Diffraction with ALLVIEW Cameras in Mirrorless Cameras: ALLVIEW—Any Lens Live View Camera

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

2012-07-27 Diffraction with Panasonic/Leica 25mm f/1.4 ASPH in Mirrorless Cameras: Olympus OM-D E-M5

2012-07-19 Distortion: Zeiss ZM 21mm f/4.5 C-Biogon in Guide to Leica: Zeiss ZM 21mm f/4.5 C-Biogon

2012-07-19 Distortion: Zeiss ZM 25mm f/2.8 Biogon in Guide to Leica: Zeiss ZM 25mm f/2.8 Biogon

2012-07-19 Vignetting: Zeiss ZM 21mm f/4.5 C-Biogon in Guide to Leica: Zeiss ZM 21mm f/4.5 C-Biogon

2012-07-19 Vignetting: Zeiss ZM 25mm f/2.8 Biogon in Guide to Leica: Zeiss ZM 25mm f/2.8 Biogon

2012-07-16 Understanding Longitudinal Chromatic Aberration with the Zeiss 100mm f/2 Makro-Planar

2012-07-16 Violet Fringing (LOCA) vs Aperture (Sunlit Water Bottles) in Zeiss DSLR Lenses: 100mm f/2 Makro-Planar

2012-07-15 Distortion: ZM 35mm f/2 Biogon in Guide to Leica: Zeiss ZM 35mm f/2 Biogon

2012-07-15 Vignetting: ZM 35mm f/2 Biogon in Guide to Leica: Zeiss ZM 35mm f/2 Biogon

2012-06-02 Distortion: 100/2.8 APO-Macro-Elmarit-R in Guide to Leica: Leica 100mm f/2.8 APO-Macro-Elmarit-R

2012-06-02 Distortion: 180mm f/2.8 APO-Elmarit-R in Guide to Leica: Leica 180mm f/2.8 APO-Elmarit-R

2012-06-02 Distortion: 280/4 APO-Telyt-R in Guide to Leica: Leica 280mm f/4 APO-Telyt-R

2012-06-02 Distortion: 90/2 APO-Summicron-R ASPH in Guide to Leica: Leica 90mm f/2 APO-Summicron-R ASPH

2012-06-02 Vignetting: 100/2.8 APO-Macro-Elmarit-R in Guide to Leica: Leica 100mm f/2.8 APO-Macro-Elmarit-R

2012-06-02 Vignetting: 180mm f/2.8 APO-Elmarit-R in Guide to Leica: Leica 180mm f/2.8 APO-Elmarit-R

2012-06-02 Vignetting: 280/4 APO-Telyt-R in Guide to Leica: Leica 280mm f/4 APO-Telyt-R

2012-06-02 Vignetting: 90/2 APO-Summicron-R ASPH in Guide to Leica: Leica 90mm f/2 APO-Summicron-R ASPH

2012-06-01 Vignetting: 50mm f/2 APO-Summicron-M ASPH in Guide to Leica: Leica 50mm f/2 APO-Summicron-M ASPH

2012-05-04 35/1.4 Distagon Longitudinal Chromatic Aberration (LOCA) in Zeiss DSLR Lenses: 35mm f/1.4 Distagon

2012-05-03 D800E Diffraction and Optimal Aperture (Mosaic, Zeiss 50/2) in Advanced DSLR: Nikon D800E vs D800

2012-05-03 Nikon D800E Diffraction Behavior with Aperture Series

2012-04-25 Diffraction and Optimal Aperture (Mosaic, Leica 100/2.8 APO) in Advanced DSLR: Nikon D800E

2012-04-25 Diffraction and Optimal Aperture (Mosaic, Zeiss 100/2 Makro-Planar) in Advanced DSLR: Nikon D4

2012-04-25 Nikon D4 Optimal Aperture (Diffraction)

2012-04-25 Nikon D800 Optimal Aperture (Diffraction)

2012-03-19 Zeiss 15/2.8 Distagon Q&A — Distortion in Free Articles: 15mm f/2.8 Distagon Zeiss Interview

2012-03-19 Zeiss 15/2.8 Distagon Q&A — Vignetting in Free Articles: 15mm f/2.8 Distagon Zeiss Interview

2012-03-16 15/2.8 Vignetting in Zeiss DSLR Lenses: 15mm f/2.8 Distagon

2012-03-16 Vignetting/Depth of Field Aperture Series (Church Interior) in Zeiss DSLR Lenses: 15mm f/2.8 Distagon

2012-03-07 Diffraction, Sharpness and Nikon D800E

2012-02-11 Distortion: 135mm f/3.4 APO-Telyt-M in Guide to Leica: Leica 135mm f/3.4 APO-Telyt-M

2012-02-11 Distortion: 35mm f/2 Summicron-M ASPH in Guide to Leica: Leica 35mm f/2 Summicron-M ASPH

2012-02-11 Distortion: 35mm f/2.5 Summarit-M in Guide to Leica: Leica 35mm f/2.5 Summarit-M

2012-02-11 Distortion: 50mm f/2.5 Summarit-M in Guide to Leica: Leica 50mm f/2.5 Summarit-M

2012-02-11 Distortion: 75/2 APO-Summicron-M ASPH in Guide to Leica: Leica 75mm f/2 APO-Summicron-M ASPH

2012-02-11 Distortion: 90/2 APO-Summicron-M ASPH in Guide to Leica: Leica 90mm f/2 APO-Summicron-M ASPH

2012-02-11 Distortion: 90mm f/2.4 (2.5) Summarit-M in Guide to Leica: Leica 90mm f/2.4 (2.5) Summarit-M

2012-02-11 Vignetting: 135mm f/3.4 APO-Telyt-M in Guide to Leica: Leica 135mm f/3.4 APO-Telyt-M

2012-02-11 Vignetting: 24mm f/1.4 Summilux-M ASPH in Guide to Leica: Leica 24mm f/1.4 Summilux-M ASPH

2012-02-11 Vignetting: 28mm f/2 Summicron-M ASPH in Guide to Leica: Leica 28mm f/2 Summicron-M ASPH (pre-2016)

2012-02-11 Vignetting: 35mm f/1.4 Summilux-M ASPH in Guide to Leica: Leica 35mm f/1.4 Summilux-M ASPH (2010 FLE)

2012-02-11 Vignetting: 35mm f/2 Summicron-M ASPH in Guide to Leica: Leica 35mm f/2 Summicron-M ASPH

2012-02-11 Vignetting: 35mm f/2.5 Summarit-M in Guide to Leica: Leica 35mm f/2.5 Summarit-M

2012-02-11 Vignetting: 50mm f/2.5 Summarit-M in Guide to Leica: Leica 50mm f/2.5 Summarit-M

2012-02-11 Vignetting: 75/2 APO-Summicron-M ASPH in Guide to Leica: Leica 75mm f/2 APO-Summicron-M ASPH

2012-02-11 Vignetting: 90/2 APO-Summicron-M ASPH in Guide to Leica: Leica 90mm f/2 APO-Summicron-M ASPH

2012-02-11 Vignetting: 90mm f/2.4 (2.5) Summarit-M in Guide to Leica: Leica 90mm f/2.4 (2.5) Summarit-M

2012-01-23 Color Shading & Vignetting for Leica 28mm ƒ/2.8 Elmarit-M ASPH and 50mm ƒ/0.95 Noctilux-M ASPH

2012-01-23 Sony NEX-7 Color Shading & Vignetting vs Sony 24mm ƒ/1.8 Sonnar

2012-01-23 Why no Custom Lens Correction on Leica M9?

2012-01-16 Vignetting: 16-18-21/4 Tri-Elmar-M ASPH in Guide to Leica: Leica 16-18-21mm f/4 Tri-Elmar-M ASPH

2012-01-15 Distortion: 18/3.8 Super-Elmar-M ASPH in Guide to Leica: Leica 18mm f/3.8 Super-Elmar-M ASPH

2012-01-15 Distortion: Zeiss ZM 18/4 Distagon in Guide to Leica: Zeiss ZM 18mm f/4 Distagon

2012-01-15 Distortion: Zeiss ZM 21/2.8 Biogon in Guide to Leica: Zeiss ZM 21mm f/2.8 Biogon

2012-01-15 Vignetting: 18/3.8 Super-Elmar-M ASPH in Guide to Leica: Leica 18mm f/3.8 Super-Elmar-M ASPH

2012-01-15 Vignetting: Zeiss ZM 18/4 Distagon in Guide to Leica: Zeiss ZM 18mm f/4 Distagon

2012-01-15 Vignetting: Zeiss ZM 21/2.8 Biogon in Guide to Leica: Zeiss ZM 21mm f/2.8 Biogon

2012-01-12 Distortion: 21/1.4 Summilux-M ASPH in Guide to Leica: Leica 21mm f/1.4 Summilux-M ASPH

2012-01-12 Vignetting: 21/1.4 Summilux-M ASPH in Guide to Leica: Leica 21mm f/1.4 Summilux-M ASPH

2012-01-12 Vignetting: 21mm f/3.4 Super-Elmar-M ASPH in Guide to Leica: Leica 21mm f/3.4 Super-Elmar-M ASPH

2012-01-12 Vignetting: 28mm f/2.8 Elmarit-M ASPH in Guide to Leica: Leica 28mm f/2.8 Elmarit-M ASPH (pre-2016)

2012-01-09 Leica M9: Color Shading for 12 Lenses With/Without Lens Correction

2012-01-07 Diffraction with ALLVIEW Cameras in Guide to Leica: ALLVIEW— Any Lens Live View Camera

2012-01-05 Diffraction in Mirrorless Cameras: Sony NEX-7 and NEX-5N

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

2012-01-01 Local Contrast Enhancement for Perceived Sharpness in Making Sharp Images: Post Processing for Sharpness

2011-12-13 Adobe Camera Raw (ACR) Always Corrects Distortion With Some Cameras

2011-12-01 Reader Asks: Is There Zeiss 35mm ƒ/1.4 Lateral Chromatic Aberration?

2011-11-18 Lateral Chromatic Aberration: Nikon 24mm f/1.4G

2011-10-28 25/2 Vignetting in Zeiss DSLR Lenses: 25mm f/2 Distagon

2011-10-28 Distortion in Zeiss DSLR Lenses: 25mm f/2 Distagon

2011-10-11 Diffraction from f/4.5 - f/32, 90/4.5 in Advanced DSLR: Schneider PC-TS Perspective Control Tilt/Shift Lenses

2011-06-28 Distortion: 50/0.95 Noctilux-M ASPH in Guide to Leica: Leica 50mm f/0.95 Noctilux-M ASPH

2011-06-28 Distortion: 50/2 Summicron-M in Guide to Leica: Leica 50mm f/2 Summicron-M

2011-06-28 Vignetting: 50/0.95 Noctilux-M ASPH in Guide to Leica: Leica 50mm f/0.95 Noctilux-M ASPH

2011-06-28 Vignetting: 50/1.4 Summilux-M ASPH in Guide to Leica: Leica 50mm f/1.4 Summilux-M ASPH

2011-06-28 Vignetting: 50/2 Summicron-M in Guide to Leica: Leica 50mm f/2 Summicron-M

2011-06-18 Vignetting and Brightness in Advanced DSLR: Nikon AF-S Nikkor 50mm f/1.8G

2011-06-04 Fuji Finepix X100 — Lens Distortion

2011-06-04 Lens Distortion Evaluation in Mirrorless Cameras: Fujifilm Finepix X100

2011-04-04 Lateral Chromatic Aberration (Color Fringing) 35/1.4 vs 35/2 in Zeiss DSLR Lenses: 35mm f/1.4 Distagon

2011-04-04 Lateral Chromatic Aberration (Color Fringing) With Zeiss 35/1.4 Distagon vs Zeiss 35/2 Distagon

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

2010-12-16 Diffraction Effects at f/11 to f/16 in Medium Format: Pentax 645D 40-Megapixel Medium Format DSLR

2010-11-29 Distortion at 120mm in Advanced DSLR: Nikon AF-S 24-120mm f/4G VR

2010-11-29 Distortion at 24mm in Advanced DSLR: Nikon AF-S 24-120mm f/4G VR

2010-11-29 Distortion at 28mm in Advanced DSLR: Nikon AF-S 24-120mm f/4G VR

2010-11-29 Distortion at 35mm in Advanced DSLR: Nikon AF-S 24-120mm f/4G VR

2010-11-29 Distortion at 50mm in Advanced DSLR: Nikon AF-S 24-120mm f/4G VR

2010-11-29 Distortion at 70mm in Advanced DSLR: Nikon AF-S 24-120mm f/4G VR

2010-11-29 Distortion at 85mm in Advanced DSLR: Nikon AF-S 24-120mm f/4G VR

2010-10-28 Distortion Correction with the HCD 28mm f/4 in Medium Format: Hasselblad H4D 50 Megapixel Medium Format DSLR

2010-09-26 Distortion in Advanced DSLR: Nikon AF-S 85mm f/1.4G

2010-09-26 Vignetting from f/1.4 - f/8 in Advanced DSLR: Nikon AF-S 85mm f/1.4G

2010-09-17 Distortion For 35/1.4 Distagon in Zeiss DSLR Lenses: 35mm f/1.4 Distagon

2010-09-10 Resolution and Diffraction in Free Articles: Hartblei 40/80/120mm SuperRotators

2010-08-15 Astigmatism in Making Sharp Images: Astigmatism

2010-08-15 Blur by Diffraction in Making Sharp Images: Sharpness and Blur by Optics

2010-08-15 Blur by Red/Cyan Fringes (Lateral Chromatic Aberration aka LACA) in Making Sharp Images: Sharpness and Blur by Optics

2010-08-15 Blur by Violet Fringing (Longitudinal Chromatic Aberration aka LOCA) in Making Sharp Images: Sharpness and Blur by Optics

2010-08-15 Circle Of Confusion in Making Sharp Images: Depth of Field

2010-08-15 Correcting Lateral Chromatic Aberration During RAW Conversion in Making Sharp Images: Lateral Chromatic Aberration

2010-08-15 Correcting Longitudinal Chromatic Aberration During RAW Conversion in Making Sharp Images: Longitudinal Chromatic Aberration

2010-08-15 Diffraction—Resolution Taxed to Its Limits in Making Sharp Images: Diffraction

2010-08-15 Example—Resolution Chart in Making Sharp Images: Diffraction

2010-08-15 Influence of Pixel Size in Making Sharp Images: Diffraction

2010-08-15 Lateral Chromatic Aberration (Color Fringing) in Making Sharp Images: Lateral Chromatic Aberration

2010-08-15 Lateral Chromatic Aberration and Astigmatism in Making Sharp Images: Understanding Modulation Transfer Function (MTF)

2010-08-15 Longitudinal Chromatic Aberration (LOCA / Violet Fringing) in Making Sharp Images: Longitudinal Chromatic Aberration

2010-08-15 Testing for Lateral Chromatic Aberration in Making Sharp Images: How to Test A Lens

2010-08-15 Testing for Longitudinal Chromatic Aberration (LOCA) in Making Sharp Images: How to Test A Lens

2010-08-15 Testing for distortion in Making Sharp Images: How to Test A Lens

2010-07-26 Update: axial chromatic aberration and filtration

2010-07-25 Leica S2: axial chromatic aberration with 70mm f/2.5 Summarit-S ASPH

2010-07-14 Diffraction: Optimal Apertures in Medium Format: Leica S2 37.5 Megapixel Medium Format DSLR

2010-07-06 Vignetting: 24mm f/3.8 Elmar-M ASPH in Guide to Leica: Leica 24mm f/3.8 Elmar-M ASPH

2010-06-29 Distortion Control in Capture NX2 in Advanced DSLR: Nikon AF 16mm f/2.8D Fisheye

2010-06-27 Correcting Chromatic Aberration in Advanced DSLR: Nikon AF-S 14-24mm f/2.8G ED

2010-06-26 Correcting Chromatic Aberration in DPP in Advanced DSLR: Canon-Wide Angle Prime Lenses

2010-06-20 Vignetting As a Tool in Advanced DSLR: Landscape Photography at Wide Apertures

2010-06-17 Axial Chromatic Aberration Check in Advanced DSLR: Nikon AF Micro Nikkor 200mm f/4.0D IF-ED

2010-05-23 Lens Correction Examples (mostly for Zeiss) in Guide to Leica: Ray angle and Color Shading With M Lenses

2010-05-20 Global cooling? Local at least.

2010-04-21 24/1.4G Distortion vs 14-24/2.8G and 24/2 AIS in Advanced DSLR: Nikon AF-S 24mm f/1.4G ED

2010-04-21 Vignetting from f/1.4 - f/8 in Advanced DSLR: Nikon AF-S 24mm f/1.4G ED

2010-04-07 Distortion of Nikon 18-35mm f/3.5-4.5 vs 16-35/4 VR in Advanced DSLR: Nikon Ultra Wide Zooms

2010-04-07 Vignetting of Nikon 18-35mm f/3.5-4.5 vs 16-35/4 VR in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Correcting Distortion in Software in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Distortion at 16mm in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Distortion at 17mm in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Distortion at 21mm in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Distortion at 24mm in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Distortion at 28mm in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Distortion at 35mm in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Vignetting at 16mm in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Vignetting at 17mm in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Vignetting at 21mm in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Vignetting at 24mm in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Vignetting at 28mm in Advanced DSLR: Nikon Ultra Wide Zooms

2010-03-19 Vignetting at 35mm in Advanced DSLR: Nikon Ultra Wide Zooms

2010-02-28 Distortion at 24mm in Advanced DSLR: Canon Ultra-wide Zoom Lenses: 17-40 and 16-35

2010-02-28 Vignetting at 24mm in Advanced DSLR: Canon Ultra-wide Zoom Lenses: 17-40 and 16-35

2010-02-27 Distortion at 17mm in Advanced DSLR: Canon Ultra-wide Zoom Lenses: 17-40 and 16-35

2010-02-27 Vignetting at 17mm in Advanced DSLR: Canon Ultra-wide Zoom Lenses: 17-40 and 16-35

2010-02-24 Distortion at 35mm in Advanced DSLR: Canon Ultra-wide Zoom Lenses: 17-40 and 16-35

2010-02-24 Vignetting at 35mm in Advanced DSLR: Canon Ultra-wide Zoom Lenses: 17-40 and 16-35

2010-02-23 Distortion at 21mm in Advanced DSLR: Canon Ultra-wide Zoom Lenses: 17-40 and 16-35

2010-02-23 Vignetting at 21mm in Advanced DSLR: Canon Ultra-wide Zoom Lenses: 17-40 and 16-35

2010-02-18 Distortion: 15mm f/2.8 Distagon in Guide to Leica: Zeiss ZM 15mm f/2.8 Distagon

2010-02-18 Vignetting: 15mm f/2.8 Distagon in Guide to Leica: Zeiss ZM 15mm f/2.8 Distagon

2010-02-12 25/2.8 Vignetting in Zeiss DSLR Lenses: 25mm f/2.8 Distagon

2010-02-12 Distortion in Zeiss DSLR Lenses: 85mm f/1.4 Planar

2010-02-12 Distortion in Zeiss DSLR Lenses: 100mm f/2 Makro-Planar

2010-02-12 Vignetting in Zeiss DSLR Lenses: 85mm f/1.4 Planar

2010-02-12 Vignetting in Zeiss DSLR Lenses: 28mm f/2 Distagon

2010-02-12 Vignetting / Relative Illuminance in Zeiss DSLR Lenses: 100mm f/2 Makro-Planar

2010-01-16 Diffraction: A Technical Challenge in Free Articles: Diffraction

2010-01-11 Understanding Lens Distortion in Free Articles: Understanding optics

2010-01-10 Diffraction in Consumer Digicams: When Megapixels Go Poof in Free Articles: Diffraction

2010-01-09 Diffraction Example Using 10MP Canon 1D Mark III in Free Articles: Diffraction

2010-01-09 Diffraction Example Using 21MP Canon 1Ds Mark III in Free Articles: Diffraction

2010-01-09 Zero Longitudinal Chromatic Aberration in Advanced DSLR: Coastal Optics 60mm f/4 UV-VIS-IR APO Macro

2009-12-15 T-stop vs 180/2.8D ED in Advanced DSLR: Nikon AF-S 70-200mm f/2.8G ED VR II

2009-12-12 Distortion in Advanced DSLR: Nikon AF-S 70-200mm f/2.8G ED VR II

2009-11-20 Color uniformity and Lens Correction in Guide to Leica: Ray angle and Color Shading With M Lenses

2009-11-07 Distortion for ZM 85/2 Sonnar in Guide to Leica: Zeiss ZM 85mm f/2 Sonnar

2009-11-07 Vignetting for ZM 85/2 Sonnar in Guide to Leica: Zeiss ZM 85mm f/2 Sonnar

2009-11-06 Canon 100mm f/2.8L: Vignetting in Advanced DSLR: Canon 100mm f/2.8L Macro IS

2009-10-12 Carl Zeiss on lens distortion

2009-09-11 Canon 24/3.5L II: Distortion in Advanced DSLR: Canon TS-E 24/3.5L II

2009-09-11 Canon TS-E 24/3.5L II distortion

2009-09-07 Canon 17/4L: Vignetting in Advanced DSLR: Canon TS-E 17/4L

2009-06-14 Distortion on architecture compared to 16-35/2.8L II in Advanced DSLR: Canon 24mm f/1.4L II

2009-06-05 Resolution from Diffraction —120/4 in Advanced DSLR: Hartblei 40/80/120mm SuperRotators

2009-03-06 Vignetting and Brightness in Advanced DSLR: Nikon AF-S Nikkor 50mm f/1.4G

2009-02-26 Transmission stop (T-stop) in Advanced DSLR: 180mm Lenses for the Nikon D3x

2009-02-15 Canon 5D Mark II Live View vignetting

2009-02-15 Live View Vignetting in Advanced DSLR: Canon EOS 5D Mark II review

2009-01-11 Diffraction Mosaic in Advanced DSLR: Nikon D3x 24.4-megapixel DSLR review

2009-01-11 Diffraction with the D3x in Advanced DSLR: Nikon D3x 24.4-megapixel DSLR review

2008-12-28 D3x diffraction study

2008-12-08 Field illumination (vignetting) in Advanced DSLR: Sigma 50mm f/1.4 EX DG HSM on Canon EOS 1Ds Mark III

2008-09-20 Distortion in Advanced DSLR: 28mm Shift Lenses for Nikon

2008-08-14 Vignetting Control in Nikon Capture NX 2 (24-70)

2008-08-14 Vignetting—Drawback or Artistic Feature? in Free Articles: Subjective Lens Qualities

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

2008-06-26 Depth of field, diffraction, and megapixels

2008-06-14 New article on vignetting

2008-03-30 Atmospheric distortion

2008-02-15 Lens distortion

2008-01-15 Distortion in Advanced DSLR: Canon 14mm f/2.8L II

2007-11-28 Field Illumination (Vignetting) and Off-Center Color Balance in Zeiss DSLR Lenses: 21mm f/2.8 Distagon

2007-11-13 Diffraction, a real-world example

2007-11-03 Diffraction and digital SLRs

2006-10-15 How far to stop down for adequate depth of field?

2006-05-30 Consumer digicams and diffraction

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