Nikkor 2.8cm range finder lens Nikon/Contax/Kiev mount

[Attila]

First one is wide open.

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[rbelyell]

interesting... i like your shots, but it seems this lens has less sharpness and contrast than the 3.5cm. is that your feeling also?
tony

[Attila]

35mm Biogon is later lens with best Zeiss coating and I think easier to make it than 28mm, I have same impression than you have.

[Esox lucius]

2.8cm f/3.5 W-Nikkor was launched Sep 1st 1952. The 3.5cm f/2.5 W-Nikkor delivers a little bit better overall image quality, certainly as it in the 1950s was not possible to make a 28mm lens perform better than a narrower 35mm.

I agree, the newer Zeiss Biogon 35mm with modern coating delivers far better IQ than lenses which are decades older.