Quote:
Originally Posted by alexch
A full frame at f/2.8 would be nice indeed. I have the lens but it has weird hook-shaped coma in the corners and I wasn't sure if it is the "feature" of the lens or just sample variation.
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It's likely sample variation. I had to get 5 last year for a full sky stitching project and only one was sharp edge to edge. A pity...it's a such a good lens they should charge a bit more and improve the QC.