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| p.3 #20 · New Zeiss Distagon 55mm f/1.4 ZE lens at Photokina |
Are there any other distagons that aren't wide angles? I don't think I've ever seen a normal Distagon before, but maybe they've done them on medium format lenses.
Well, 55mm to cover a 6x6 image circle is wide angle, and is probably narrow enough that you'd need to go retrofocus. For example, the Hassy 903 SWC's 40mm and 38mm symmetrical Biogon required a fixed lens and a separate viewfinder since you couldn't get the lens element back there with a mirror, gliding or not.
See, e.g., the Rollei 40mm Distagon.
I've heard a hypothesis that this might be designed to compete with the Leica 50 APO-Summicron -- a balls-to-the-wall APO 50.
I don't know if the apochromat corrects better for lateral chromatic aberrations, but that would be well-received for high-MP sensors.