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Industar 23-2 110mm/4.5
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PostPosted: Thu Sep 25, 2014 7:20 am    Post subject: Industar 23-2 110mm/4.5 Reply with quote
Any infos about this lens?

Photohistory only say that it's prototyp made on the base of Industar-23. I got it today, but it's a bit strange : Doesn't focus to infinity on M42 adapter (but close), vignetting a bit on FF. The body looks pro, but the lettering is not "that" pro . Rendering is close to Petzval, blurry borders... which is unusual for a medium format lens on FF... No factory logo...


#1

#2


IQ is far from standards

#3 @4.5


#4 @5.6


#5 @8


#6 @11


PostPosted: Thu Sep 25, 2014 9:49 pm    Post subject: Reply with quote
Any idea why it's so soft?


PostPosted: Thu Sep 25, 2014 10:18 pm    Post subject: Reply with quote
There's something wrong with it. Industar = Tessar, 4 elements in 3 groups, should be sharp.


PostPosted: Fri Sep 26, 2014 5:21 am    Post subject: Reply with quote
iangreenhalgh1 wrote:
There's something wrong with it. Industar = Tessar, 4 elements in 3 groups, should be sharp.


I'll check the lenses in some days. I agree with you, usualy, tessar are a way better.
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