image of
Related image

See also: optical focus shift
Scroll down to see all publications and blog posts. Not all pages are curated—search.


Panasonic Lumix S 24-105mm f/4 Macro OIS

All-arounder entry-level mid-range zoom for L-Mount..

Panasonic Lumix S PRO 50mm f/1.4

Premium fast normal lens for L-Mount..

Leica SL3

60 megapixel 3rd generation..

Leica 16-35mm f/3.5-4.5 Super-Vario-Elmar-SL ASPH

Ultra wide angle premium zoom lens relying on distortion correction..

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

All-arounder zoom with dubious optical compromises..

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

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

Leica 50mm f/1.4 Summilux-SL ASPH

Fast apochromatic prime lens for L-Mount cameras..

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

Fast short normal lens for L-Mount cameras..

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

Fast short telephoto lens for L-Mount cameras..

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

Fast short telephoto lens for L-Mount cameras..

Fujifilm GFX100S

100 megapixels in a body the size of a 35mm DSLR!.

Fujifilm GF 20-35mm f/4 R WR

Compact wide angle.

Fujifilm GF 30mm f/3.5 R LM WR

Compact wide angle.

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

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

Fujifilm GF 35-70mm f/4.5-5.6

Compact wide angle.

Fujifilm GF 45-100mm f/4 R LM OIS WR

Slightly long zoom lens equivalent to 37-82mm f/3.3..

Fujifilm GF 50mm f/3.5 R LM WR

Slightly wide compact normal lens equivalent to 41mm f/2.9..

Fujifilm GF 63mm f/2.8 R WR

Standard normal lens equivalent to 52mm f/2.3..

Fujifilm GF 80mm f/1.7 R WR

Standard normal lens equivalent to 66mm f/1.4..

Hasselblad XCD 21mm f/4

18mm equivalent..

Hasselblad XCD 45mm f/3.5

37mm equivalent..

Hasselblad XCD 55mm f/2.5 V

Normal lens equivqlent to 45mm..

Canon RF 14-35mm f/4L IS USM

Compact ultra-wide zoom..

Canon RF 15-35mm f/2.8L IS USM

Fast ultra wide zoom lens..

Canon RF 24-70mm f/2.8L IS USM

Fast standard zoom lens..

Canon RF 35mm f/1.8 Macro STM

All-arounder compact lens with macro capability..

Nikon NIKKOR Z 24mm f/1.8 S

Fast wide angle for Nikon Z..

Nikon NIKKOR Z 14-24mm f/2.8 S

Ultra-wide fast zoom..

Nikon NIKKOR Z 14-30mm f/4 S

Ultra wide compact zoom for Nikon Z cameras..

Nikon NIKKOR Z 17-28mm f/2.8

Ultra-wide zoom lens..

Nikon NIKKOR Z 24-70mm f/2.8 S

Fast mid-range zoom expressly designed for Nikon Z cameras..

Nikon NIKKOR Z 50mm f/1.2 S

Ultra-wide fast zoom..

Sony FE 14mm f/1.8 GM

Ultra high performance extreme wide angle..

Sony FE 24mm f/1.4 GM

High performance wide angle..

Sony FE 24mm f/2.8 G

High performance, high speed..

Sony FE 40mm f/2.5 G

High performance, high speed..

Sony FE 50mm f/2.5 G

High performance, high speed..

Sony FE 85mm f/1.4 GM

Top-grade medium telephoto..

Sony FE 135mm f/1.4 GM

Top-grade telephoto..

Sigma FE 14mm f/1.4 DG DN Art

Super-fast ultra-wide astrophotography lens..

Sigma FE 14mm f/1.8 DG HSM Art

Outstanding fast wide angle, DSLR optical design..

Sigma FE 14-24mm f/2.8 DG DN Art

Native-mount ultra wide angle high performance zoom for mirrorless..

Sigma FE 85mm f/1.4 DG DN Art

Ultra high performance medium telephoto..

Sigma FE 135mm f/1.8 DG HSM Art

Outstanding fast wide angle, DSLR optical design..

Voigtlander Z 50mm f/2 APO-Lanthar Aspherical

High-grade manual focus normal lens..

Voigtlander FE 21mm f/1.4 Aspherical

Fast high performance manual focus wide angle..

Voigtlander FE 35mm f/1.2 Aspherical

Fast mild wide angle lens..

Voigtlander FE 35mm f/2 APO-Lanthar Aspherical

High-grade manual focus wide-normal lens..

Voigtlander FE 50mm f/2 APO-Lanthar Aspherical

High-grade manual focus normal lens..

Sony FE 12-24mm f/2.8 GM

Fast extreme wide angle zoom..

Sony FE 16-35mm f/4 ZA OSS Vario-Tessar

Comapact ultra-wide zoom for Sony full frame mirrorless..

Sony FE 20-70mm f/4 G

Wide range zoom aimed at bloggers..

Sony FE 24-70mm f/2.8 GM II

Premiere mid-range zoom for Sony full frame mirrorless.

Fujifilm Fujinon XF 18-55mm f/2.8-4 R

Fujifilm’s kit zoom for the X-E1.

Zeiss Loxia 21mm f/2.8 Distagon

Outstanding ultra wide angle performer..

Zeiss Loxia 25mm f/2.4 Distagon

Outstanding wide angle, superb performer..

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

Leica’s widest prime lens..

Leica 24mm f/3.8 Elmar-M ASPH

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

Leica 28mm f/1.4 Summilux-M ASPH

Leica’s fast 28mm..

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

High performance but flawed 50mm normal lens..

Zeiss ZM 35mm f/1.4 Distagon

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

Voigtlander M 28mm f/2 Ultron

Compact performer..

Voigtlander M 35mm f/2 APO-Lanthar Aspherical

World-class performer for Leica M..

Voigtlander M 50mm f/2 APO-Lanthar Aspherical

World-class performer for Leica M..



Blog posts, reverse chronological

2020

2020-10-01 Sony FE 12-24mm f/2.8 GM Aperture Series: Big Tree at Bend in Alpine Creek (jaw-dropping focus shift and lens skew)

diglloyd Inc. | FTC Disclosure | PRIVACY POLICY | Trademarks | Terms of Use
Contact | About Lloyd Chambers | Consulting | Photo Tours
RSS Feeds | X.com/diglloyd
Copyright © 2022 diglloyd Inc, all rights reserved.