canon 35 f/2 or sigma 30 f/1.4

Started Nov 2, 2006 | Discussions thread
007peter
007peter Forum Pro • Posts: 11,159
What is LENS COMA?

4) AF was not very fast/reliable in low light, 5) triangular OOF highlights due to lens coma were few and far between but bugged me. Because of #4 and #5 above, I decided not to exchange the scratched

What is a lens coma, and can you post some example o that triangular OOF you're talking about, versus the OOF from Canon?
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