Distortion Correction for Samyang 8mm, f/2.8 Fisheye Lens

This is a very worthwhile thread & itis interesting to see what a general correction program can acheive however the obvious solution is for lens mamufacturers to work in conjunction with software authors to produce lens specific correction programs.  The lens design could even be adjusted if that facilitated correction.

This is a coputer age & we should make them work for us !

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Keith C