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09-01-2010, 12:11 PM   #16
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According to Yoshihiko's tests (here) the M and A (which are the same) 35/2.8 are sharper than the M, A or K 35/2. The FA 35/2 is much sharper than any of these. The older 35/2 lenses never reach good results in the edges.

09-01-2010, 01:03 PM   #17
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Note, though, that Yoshihiko's numbers are for film - so the corners he is measuring get cropped out on APS-C. No doubt the 35/2 still does worse on the corners that remains than the 35/2.8, but center resolutions do seem comparable and the question remains - is that slight difference in resolution as important as the extra stop? Especially given that if all you need is f/2.8, there are a lot more options to consider, including things like the DA40, Tamron 28-75, etc. If you're specifically looking for a faster normal and are willing to sacrifice AF and AE for to get a better price, the M35/2 doesn't appear to give one much to complain about, nor is there much competition at that price range.

But if one if looking to give up the f/2 and deal with f/2.8, it seems you can indeed do better in terms of optical quality but also flexibility.
09-01-2010, 01:19 PM   #18
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QuoteOriginally posted by Marc Sabatella Quote
Note, though, that Yoshihiko's numbers are for film - so the corners he is measuring get cropped out on APS-C. No doubt the 35/2 still does worse on the corners that remains than the 35/2.8, but center resolutions do seem comparable and the question remains - is that slight difference in resolution as important as the extra stop? Especially given that if all you need is f/2.8, there are a lot more options to consider, including things like the DA40, Tamron 28-75, etc. If you're specifically looking for a faster normal and are willing to sacrifice AF and AE for to get a better price, the M35/2 doesn't appear to give one much to complain about, nor is there much competition at that price range.

But if one if looking to give up the f/2 and deal with f/2.8, it seems you can indeed do better in terms of optical quality but also flexibility.

I was going to mention that Yoshihiko's tests were based on film but Marc, as he often does, beat me to the punch. Regarding the M 35/2 one thing to bear in mind, especially with an MF lens, is ease of focusing. The f2 is a lot brighter and as a result easier to focus than the slower f 2.8 lens. That extra stop makes a lot of difference in this area.

Tom G
09-01-2010, 06:39 PM   #19
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The M35/2 lens is my "normal" lens on my Pentax film SLRs. In fact I own two of them.
It is a good though not great lens. As with any WA lens the extra speed makes focusing easier.

Chris

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