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color shading

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2022-05-30 Alpa 12 PANO Rosewood for Panoramic images with PhaseOne IQ4 150 and Similar Digital Backs + Reader Comments

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)

2017-07-07 Sony FE 12-24mm f/4 G: Might Have Serious Drawbacks

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

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

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

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

2013-10-10 Sony NEX A7 and A7r: 24 and 36 Megapixels on Full Frame?

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

Ray Angle, Vignetting, Color Shading on a Digital Sensor

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

1. Ray Angle and Digital Sensors
2. Color Shading on a Digital Sensor
3. Ray Angles for Rangefinder Lenses

Sigma L-Mount

Sigma 28mm f/1.4 DG HSM Art.

1. Shootout: Leica 28/2 APO-Summicron-SL vs Leica 28/1.4 Summilux-M, Leica 28/2 Summicron-M, Sigma 28/1.4 DG HSM Art: Popcorn and Pumpkins (Leica SL2)

Leica SL2

47 megapixel with Multi-Shot Hi-Res mode..

1. SHOOTOUT: Leica SL2 vs Panasonic S1R Sharpness with Zeiss ZM 35/1.4 Distagon: Piper Mountain Wilderness

Leica 28mm f/2 APO-Summicron-SL ASPH

Fast short wide angle lens for L-Mount cameras..

1. Shootout: Leica 28/2 APO-Summicron-SL vs Leica 28/1.4 Summilux-M, Leica 28/2 Summicron-M, Sigma 28/1.4 DG HSM Art: Popcorn and Pumpkins (Leica SL2)

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

Fast apochromatic prime/wide lens for L-Mount cameras..

1. Shootout: Leica 35mm f/2 APO-Summicron-SL vs Zeiss ZM 35mm f/1.4: Popcorn and Pumpkins (Leica SL2)

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

All-arounder zoom with dubious optical compromises..

1. @35mm Shootout vs Zeiss ZM 35/1.4 Distagon: Fresh June Snowfall on White Mountains (Leica SL)

18mm f/3.5 Distagon

A brilliant, but also colorful character..

1. Vignetting and Color Shading vs Nikon 14-24mm
2. Color Shading Examples
3. Correcting Color Shading Using Photoshop Masks

Lenses for Leica M8, Leica M9, M*

Lenses for Leica M cameras, especially the M9.

1. Ray Angle and Off-center Color Shift

Sony Alpha A7R

Full frame compact mirrorless with interchangeable lenses..

1. Sony A7R: Vignetting and Lens Comp

Sony Cybershot DSC-RX1 / RX1R

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

1. Color Shading / Vignetting (RX1)

Sony NEX-7 and NEX-5N

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

1. Ray Angle, Color Shift, Sharpness
2. Color Shading on NEX-7 with M-mount Lenses
3. Color Shading on NEX-5N with M-mount Lenses

Leica M11

Leica M 60 Megapixels..

1. Lens Detection: Uncoded Lenses Hang Camera

Ray angle and Color Shading With M Lenses

Off-center color casts, off-center sharpness..

1. Color Shading General Discussion
2. Color Shading for M-Mount lenses on Sony NEX-7
3. Color Shading for M-Mount lenses on Sony NEX-5N
4. Color Shading for M-Mount lenses on Leica M9

Considerations in choosing a lens.

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

1. Lens Coding for Lenses Without 6-bit Code

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

Leica’s best-performing 21mm..

1. Aperture Series: Pescadero Creek (Sony A7R)

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

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

1. Aperture Series: vs 28/2.8 Pescadero Creek (Sony A7R)

Zeiss ZM 18mm f/4 Distagon

Compact high performance, ultra low distortion..

1. Examples: Zeiss ZM 18/4 Distagon (Misc)

Zeiss ZM 21mm f/4.5 C-Biogon

Zero distortion ultra-wide..

1. Notes, Examples: Zeiss ZM 21mm f/4.5 C-Biogon
2. Examples: Mining and Various (M9)
3. Sensor Cover Glass: Stock vs Kolarivision Modified Sony A7R (Mosaic)

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 (M240)

Zeiss ZM 35mm f/1.4 Distagon on Leica SL

A star performer sets the standard on the SL..

1. Zeiss ZM 35/1.4 Distagon vs Leica 24-90mm, Fresh June Snowfall on White Mountains (Leica SL)

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

2022

2022-05-30 Alpa 12 PANO Rosewood for Panoramic images with PhaseOne IQ4 150 and Similar Digital Backs + Reader Comments

2017

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)

2017-07-07 Sony FE 12-24mm f/4 G: Might Have Serious Drawbacks

2015

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

2014

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

2013

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

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

2013-10-10 Sony NEX A7 and A7r: 24 and 36 Megapixels on Full Frame?

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

2012

2012-12-19 Sony RX1: Color Shading and Lens Comp

2012-01-31 Sony NEX-5N Color Shading With Leica M Lenses (and Sony 24/1.8)

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

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

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

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

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

2012-01-07 Leica Guide Now Includes Examples and Color Shading With Leica, Voigtlander, Zeiss on Sony NEX-7

2012-01-06 Sony NEX-7: Color Shading for 13 Lenses Now Published

2012-01-05 Sony NEX-7: Color Shading for Leica, Zeiss, Voigtlander Lenses

2011

2011-12-01 Reader Asks: Color Asymmetry with Leica 35mm f/2 Summicron-M ASPH