That is correct, provided colimation is OK.
Quote:
Originally Posted by sunslayr
You can also use a bahtinov mask to check the corners. A tilt free camera should look the same in all four. Then if you set the same focus in the middle as the edges you will have the right backfocus. This works with a field flattener, should work with a coma corrector too, might be tricky if you have a lot of coma though.
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