Anybody know anything about this lens? Leitz 17mm f0.6

Started May 18, 2012 | Discussions thread
Olaf Ulrich
Contributing MemberPosts: 943
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Re: Anybody know anything about this lens? Leitz 17mm f0.6
In reply to wornleather, May 28, 2012

wornleather wrote:

Does anybody know what the difference is between a fish-eye and an ultra-wide-angle lens?

A wide-angle lens has a gnomonic projection; a fish-eye has not.

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wornleather wrote:

I'm tending to the view that this isn't a fish-eye ...

It most definitely is a fish-eye lens. As it has no adjustable aperture, it most likely is not intended for regular still photography. It might be a projection lens for a planetarium, intended to cast a picture into a dome-shaped projection area.

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