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CCD Centering Issue. What is "reasonable?"
Before I get heavy handed and potentially blast a company and their manufacturing QC, let me ask you what amount of error would you consider okay to accept (not that I have any recourse at this date) and live with? Consider that the camera is being used with a rotator.
The test I perform is to put a star dead center on the CCD and then take a time exposure for a full rotation. If the camera and rotator are "perfect" the star will remain dead center. In my case I have a rotator and adapters that are as close to perfect in X-Y shift as can be made. At the camera the rotator+ adapters move laterally ~ 7 microns as measured by a dial indicator! With my camera that translates to just over 1 pix!
So, the question is how much error would you accept if the CCD is off center?
10, 50, 75, 100, 150, 200, 400, 800, 1000 1500 2000 etc microns?
Thanks,
Peter
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