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Sigma 35mm f/1.4 - Fourth Times a Charm? Also Sigma Q&A

Started May 16, 2014 | Discussions thread
Invertalon Forum Member • Posts: 57
Re: Sigma 35mm f/1.4 - Fourth Times a Charm? Also Sigma Q&A

Sigma's technical response made perfect sense. And Canon's also require microadjustment (or adjustment of that nodal point they speak of).
For example, my 300 f/2.8 II requires +6. My 24-70 II is -2W and +1T... I have had other prime lenses require 4-6 MA in either direction. It is normal.

However, Sigma's have trouble at infinity or close to it. No matter what you do, inconsistency is poor. Closer, they seem to be fine.

I have tried (3) Sigma 35's as well, the first two had some terrible focus shift in artificial light and my most recent attempt was infinity focus issues. I am done with them as well.

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