Quote:
Originally Posted by AlexN
The flattener corrected field refers to the size of the sensor that it can project corrected stars onto, not the vignetting free field. 17% vignetting is perfectly fine.
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I was thinking more along the lines of causing issues with field curvature and vignetting (which changes with field curvature). I'd throw my D700 (full frame) on the back of it but I don't have the correct spacers for that yet.
Wasn't sure how 13-20% vignetting translated to a "normal" system.