Quote:
Originally Posted by AdamJL
Cheers, Dunk. Yes it's a pretty good sample. I opened it up to f/2 and did notice some CA, but nothing major. I'll probably stop down to f/2.8 or f/4 in future and use the lens there.
With your issues, it does sound odd that the 1600 gave you a poor field. Are you sure the backspacing was correct?
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Yeah the spacing was correct - I’d tried setting it at a spread of values to get it right, but even then there was bad tilt.
I just put it down to getting a bad one. Potentially great, and I would have paid extra for a good one
…I just don’t have the budget for a Sigma.