12-02-2018, 03:15 AM
Well, that method would possibly cover for an uneven sharpness but not a cross-frame issue.
If you go for a real-life subject, something like a tree would be a better target for your test scenario.
And keep in mind to disable the AF once you have taken the center shot. If you refocus the corners, you will hide issues with tilted focus planes.
A really simple test would be to take a picture of the building across the street.
If you go for a real-life subject, something like a tree would be a better target for your test scenario.
And keep in mind to disable the AF once you have taken the center shot. If you refocus the corners, you will hide issues with tilted focus planes.
A really simple test would be to take a picture of the building across the street.
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