I think you have your registration distance wrong — the Zenit 3m registration distance was 45.2mm, not 17.35mm — I think…

I think you have your registration distance wrong — the Zenit 3m registration distance was 45.2mm, not 17.35mm — I think you might mean that the registration distance is 17.35mm more than the more common m39 screw (aka Leica screw).

Dmitri Apr 10, ‘23

Thanks for pointing that out, Bob! I’ve verified (with a ruler) and updated the article.

I think you have your registration distance wrong — the Zenit 3m registration distance was 45.2mm, not 17.35mm — I think…

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bob.janes Apr 10, ‘23

Dmitri Apr 10, ‘23