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Upgrade the memory of your 2019 iMac up to 128GB

Zeiss Touit 12mm f/2.8 Distagon on Sony A7R: Usable Full-Frame Area

Get Zeiss Touit 12mm at B&H Photo.

See the earlier work with the Zeiss Touit 50mm f/2.8M on the Sony A7R.

The Zeiss Touit 12mm f/2.8 Distagon is nominally an APS-C lens, but like all lenses it “covers” more than that size.

Includes HD and UltraHD images from f/2.8 through f/16 for 3:2, 4 X 5, 6 X 6, 4 X 3, 6 X 17 aspect ratios.

The 12mm f/2.8 is an interesting ultra-wide option for the A7R. The discussion includes a handy table of usable dimensions and aspect ratios on a full-frame sensor

It appears that one can get very useful ~15.4mm equivalent field of view on the full frame Sony A7R with the Touit 12mm f/2.8 Distagon. The UltraHD series show very clearly what one can expect for image quality outside the nominal APS-C coverage area.

Blemished Leaves deliver Pink Perfection
Sony A7R + Zeiss Touit 12mm f/2.8 Distagon


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