Quote:
Originally Posted by Satchmo
Theres a number of waves of distortion there - it would take a pretty decent force on the primary or secondary to do that -
How many points is the float cell and how many edge clips are there ? That info could help rule some things in or out. A non rotationally symmetric error in a component is obviously another possibility which hasn't been mentioned , I have seen it in larger optics.
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Mark, there are three edge clips and really only three points. The whole mirror which is flat and it sits on the mirror cell which has lots of support but the whole assembly is sitting on three screw points. So really it is three points.