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Pentax HD DA Limited 40mm f/2.8

APS-C slightly tele normal lens equivalent to 60mm on full-frame..

Pentax HD DA Limited 70mm f/2.4

APS-C moderate telephoto equivalent to 105mm on full-frame..

Sigma 12-24mm f/4 DG HSM Art

Fast constant-aperture ultrawide zoom..

Sigma 50mm f/1.4 DG HSM Art

Sigma’s fast high performance normal lens..

Nikon AF-S Nikkor 20mm f/1.8G

Nikon’s fast ultra wide angle..

Nikon AF-S 24mm f/1.4G ED

State of the art design in a fast 24mm lens. Includes full-resolution images at f/1.4..

Nikon AF-S 14-24mm f/2.8G ED

Nikon’s ultra wide angle zoom and the Nikon 14mm f/2.8, critical focus shift behavior..

Schneider Kreuznach LS 35mm f/3.5

Wide angle 24mm equivalent for Phase One XF system.

Schneider Kreuznach LS 40-80mm f/4-5.6

Mid range zoom 27-54mm equivalent for Phase One XF system.

Schneider Kreuznach LS 150mm f/2.8 IF

Medium telephoto 100mm equivalent for Phase One XF system.

Fujifilm GFX100S/100 Comparisons

Is 100 better than 45/50/60 megapixels?.

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 110mm f/2 R WR

Ultra high speed telephoto equivalent to 90mm f/1.6..

Hasselblad XCD 21mm f/4

18mm equivalent..

Hasselblad XCD 38mm f/2.5 V

Normal lens equivqlent to 32mm..

ZF.2/ZE 21mm f/2.8 Distagon

Brilliant imaging, even wide open, but with a few quirks. (Review in progress) .

135mm f/2 APO-Sonnar

Beautiful bokeh, razor sharp, superb color correction..

Canon EOS R5

Canon’s high-res mirrorless..

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 50mm f/1.8 S

Normal lens expressly designed for Nikon Z cameras..

Sony FE 35mm f/1.4 GM

High performance mild wide-angle..

Sigma FE 28mm f/1.4 DG HSM Art

Outstanding wide angle, watch out for lens skew..

Sigma FE 85mm f/1.4 DG DN Art

Ultra high performance medium telephoto..

Voigtlander FE 35mm f/2 APO-Lanthar Aspherical

High-grade manual focus wide-normal lens..

Voigtlander FE 65mm f/2 Macro APO-Lanthar Aspherical

Ultra high grade performer at a modest price..

Sony FE 12-24mm f/2.8 GM

Fast extreme wide angle zoom..

Sony FE 24-70mm f/2.8 GM II

Premiere mid-range zoom for Sony full frame mirrorless.

Zeiss Loxia 25mm f/2.4 Distagon

Outstanding wide angle, superb performer..


Blog posts, reverse chronological

2022

2022-08-18 Fujifilm GF 110mm f/2 Focus Shift Evaluation and Mitigation: Deck and Roof (GFX100S)

2021

2021-07-07 Voigtlander FE 35mm f/2 APO-Lanthar: Focus Shift in Landscapes, Patriarch Grove

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