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Takumar 200mm f/5.6
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PostPosted: Fri Dec 04, 2015 5:05 am    Post subject: Takumar 200mm f/5.6 Reply with quote

How does this lens perform wide open and does it need to be stopped down for optimum performance?


PostPosted: Fri Dec 04, 2015 5:35 am    Post subject: Reply with quote

My opinion - excellent
At f/5.6 it out resolved my APS-C 16mp sensor so I can't say if it improves by stopping down.
It's a lovely, solid tiny thing.


PostPosted: Fri Dec 04, 2015 6:40 am    Post subject: Reply with quote

being a bit of a Takumar lover, user and collector I have the lens since a while but because I usually don't use that long lenses have not been using it but recently, 2 shots taken on FF Sony A7 wide open. Ok, not many things in focus / sharp, but they might show it's sharpness nevertheless and that it goes all the way to the edges

Bamboo by Andreas, on Flickr

Bamboo by Andreas, on Flickr

( full sizes can be seen on flickr after clicking on images, click on arrow right lower corner, choose 'view all sizes' )


PostPosted: Fri Dec 04, 2015 4:48 pm    Post subject: Reply with quote

I can't remember if it improves further at f/8, but it's definitely "good enough" at f/5.6.


PostPosted: Fri Dec 04, 2015 5:24 pm    Post subject: Reply with quote

It's a very good lens, a bit slow if you like fast lenses, but the quality of the images makes that irrelevant really.


PostPosted: Sat Dec 05, 2015 12:21 am    Post subject: Reply with quote

taken with 24 MP FF Sony A7 wide open



100% crops
near center


left adge


took similar frame @f8 and don't see any meaningful difference