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Monday, September 29, 2014

Zeiss Otus lenses - the real usable range

Comparing the new Zeiss Otus 85mm and 55mm f/1.4 lenses, using The Digital Picture's excellent comparometer, you can see that both Otus lenses are actually most usable between f/2.8 and f/11.0.

Going below f/2.8 introduces vignetting (light fall-off) and sharpness fall-off in the corners.
Going above f/11.0 introduces sharpness fall-off and contrast fall-off.
I might even hesitate to go above f/8.0, if I'm truly after the best possible results.

One has to wonder how those two would fare on the Nikon D810 body, as the Canon 1Ds mk3's sensor doesn't really let those lenses shine.

In any case, those are beautiful lenses and they certainly live up to the hype.
Now, If only Zeiss added VR/IS and AF - that would be swell.
Or even better - combine those two into a single 55-85 zoom lens.
Ahhh...one can only dream.