>Dear All
>
>I've seen a Sigma, 12mm, f8 fisheye for OM second hand (USD280). I
tried it
>out on a body in the shop and it produced a round image with about 15%
of
>the top and bottom cut off leaving black curving edges at the sides.
The
>horizontal angle of view seemed to be about 150 degrees.
>
>I wondered whether that was what is expected as I've only ever seen
full
>frame or round image fisheye lenses and the max aperture size seems to
be
>unusually small. It's not listed on the Sigma web site. Is it a one
off?
>
>Robin M. Allen
I think it's fairly old. It's a "cutoff" type fisheye, I believe, where
the image is merely chopped by the frame. This may be the one where it
dissassembles to install a filter.
Be seeing you.
Dirk Wright
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