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Re: [ATM] ATM Schiefspieglers in Oslo EDU - updated
Donald Good wrote:
> Yes, there is a forth mirror, but it is a flat. Except for reversing the
> image, a flat does not affect the performance of an optical system. So I
> don't know what you mean by "make all the difference in the world".
Somebody keep reminding me that I should not attempt to tell jokes.
I'm just no good at it!
--
Rick S.
http://users.rcn.com/rflrs
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