Sigma 50mm f1.4 - First Test

Started Jul 14, 2009 | Discussions thread
Chez Wimpy
Chez Wimpy Veteran Member • Posts: 8,994
Re: Sigma 50mm f1.4 - First Test

UCSB wrote:

That is the pattern you get when you don't perform MA correctly. Here is a procedure that should get you much better results.

I learned by adjusting in the field to get "correct" results (and it took me two outings with my 85L to understand what was going on). If there were a magic number for my 85L, it would be between the 0 and +5... but I need both depending on my subject distance. +5 with portraits is backfocused, and at a distance 0 is frontfocused.

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