Mark,
I don't have a problem there at all. The point I am making is you need to quantify the error you need to be able to express it in real terms.
This seems at odds with your comment earlier that only the star test matters.
Sure, a gross error check is useful and certainly would have been a pretty good idea with the Hubble!
What I am saying is if you're milling optics down to molecular levels of precision, the testing needs to equally accurate.
Quote:
Originally Posted by Satchmo
What exactly is your problem with Null testing anyway ? Is it not high tech soundiung enough ?
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