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Oddball AF lenses
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PostPosted: Wed May 20, 2009 8:06 pm    Post subject: Oddball AF lenses Reply with quote

I know this site is for ML lovers, these two lenses are someway unique.




The both lenses do "AF" regardless the camera they are mounted on,
the first one is more unique since when you touch shutter button halfway
the lens starts its AF focusing, the second one is not but you can initiate AF.

The both lens have power zoom capability, which is nicer than their "AF". Very Happy
"AF" is slow but relatively speaking it focuses OK. 55-200 lens has
surprisingly good performer at 200mm end, otherwise they are so so lenses.

Yes, they are PB-mount lenses. That is why someone made these in Japan.


PostPosted: Wed May 20, 2009 8:44 pm    Post subject: Reply with quote

Very interesting, Koji! Sigma made?


PostPosted: Wed May 20, 2009 8:49 pm    Post subject: Reply with quote

I do not know who made them, though the 55-200 looks like sigma made
and 75-200 might be made by Tamron. I have no confidence to my guess.


PostPosted: Wed May 20, 2009 9:39 pm    Post subject: Reply with quote

Nice! I saw here an early vivitar series I in similar construction.


PostPosted: Fri May 22, 2009 11:17 am    Post subject: Reply with quote

Can we get some samples Smile