A "VERY RARE" macro lens?

Started Feb 17, 2013 | Discussions thread
Contributing MemberPosts: 696
Re: A "VERY RARE" macro lens?
In reply to igoriginal, Feb 21, 2013

Not a Sigma.

Possibly a Komine or Kino product. Can't find any details but yes it is possible that the F2 designation was a bit optimistic. You can just check that by setting the lens at F2 and compare that reading with another lens set at F2 (making sure you are metering the same area, like a dull wall)  Both Komine and Kino also made lenses for Vivitar , generally medium to high quality lenses.    
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