Quote Originally Posted by 24c View Post
I found it was 430mm for me, or thereabouts, and it's whatever distance the projected unphase mask screens stay crisp over the object.
I don't know if this is all part of the calibration process re the test piece on the turntable
I haven't got the experience of Nerv, but I quickly found if I was too far away, the representation of surface detail or the perceived scan quality dropped off considerably.

Mike
Sorry, What is the projected unphase mask screen ??

Are you referring to the black cross that is projected in free scan mode ? For me this cross is in focus at 50cm.