Quote:
Originally Posted by multiweb
That's exactly what it is: big field curvature. You need a flat(ter) field to be in focus all across the camera sensor if it's large enough. I'd check your MPCC spacing first.
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Thanks, a few questions:
1) I thought MPCC was a coma corrector, not a field flattener.
2) How do i change spacing on it, I only bought the MPCC, not the set. Do I need to get the set of spacers and stuff?
Thx