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See also: digital sensor
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Ray Angle, Vignetting, Color Shading on a Digital Sensor

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

Astigmatism

Understanding astigmatism..

Infrared

Beyond deep red, seeing the invisible..

Sony Alpha A7R II Kolarivision for Leica M

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

Sony FE 35mm f/1.4 Distagon ZA

Fast and gorgeous moderate wide angle Zeiss design..

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

Anything wider would be a fisheye..

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

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

Sony NEX-7 and NEX-5N

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

Metabones SpeedBooster for Sony NEX

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

Zeiss Batis 18mm f/2.8 Distagon

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

Ray angle and Color Shading With M Lenses

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

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

Leica’s ultra wide angle zoom lens..

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

Leica’s widest prime lens..

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

Leica’s best-performing 21mm..

Leica 24mm f/3.8 Elmar-M ASPH

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

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

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

Leica M 50mm Lenses

Six models to choose from..

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

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

Zeiss ZM 21mm f/4.5 C-Biogon

Zero distortion ultra-wide..

Zeiss ZM 35mm f/1.4 Distagon

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

ALLVIEW Cameras

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


Blog posts, reverse chronological

2020

2020-05-02 Spectral Cutoff of Sensor Cover Glass vs Ultraviolet Filters on the Lens: MaxMax.com Shows UV Filters to be Pointless

2019

2019-07-02 Reader Comment: Lens Adaptability, Lens Adapters

2019-04-12 Leica 18mm f/3.8 Super-Elmar-M ASPH Aperture Series: Mosaic (Panasonic S1R)

2019-02-26 Reader Comment: Panasonic S1R and its L-Mount Lens Choices Including Sigma DG HSM Art Lenses

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

2018

2018-12-07 Nikon Z7 and Zeiss ZM 35mm f/1.4 Distagon Here — Looks Promising

2018-11-27 Nikon Z7 Should Be a Solid Leica M and Zeiss ZM Lens Platform Without Modification

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

2017

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

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

2015

2015-10-26 Reviewed: Kolarivision-Modified Sony A7R II with Zeiss Batis 25mm f/2 Distagon

2015-10-25 Reviewed: Kolarivision-Modified Sony A7R II with Leica 18mm f/3.8 Super-Elmar-M ASPH

2015-10-24 Reviewed: Kolarivision-Modified Sony A7R II with Leica 50mm f/2 APO-Summicron-M ASPH

2015-10-24 Reviewed: Kolarivision-Modified Sony A7R II with Leica 28mm f/1.4 Summilux-M ASPH

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

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

2015-01-23 Sony Kolarivision A7R.MOD: Summary of Performance (Guide to Mirrorless)

2015-01-17 Modified Sony A7R Sensor Glass: Impact on Rangefinder Lens Performance

2015-01-16 Sony A7R: Sensor Glass Thickness, Ray Angle and Image Degradation: Kolarivision Modification

2014

2014-09-02 Zeiss Loxia: Manual Focus All Metal Build Lenses for Mirrorless Full Frame

2014-08-27 Nikon D810: Sensor Cover Glass Quality?

2013

2013-12-01 Sony A7R: Adapting Zeiss and Leica Lenses via Lens Adapter

2013-10-22 Sony NEX A7 and A7r: Leica M Lenses to Work Well?

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?

2012

2012-02-26 Reader Asks: Which is Better, Zeiss 21/2.8 Distagon or Leica 21/3.4 SEM ASPH?

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