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You may want to look at this

Charlie B

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Thanks for that. I'll read it in detail.
This should be a standard question in telescope optics if anyone knows the answer. You have a mirror of a certain size. How large is the reflected image according to distance to the imaging screen (the Earth in this case)? For a flat mirror? For a parabolic mirror? For a bright source, how bright can the image be at the imaging screen?

Bob Clark

Edited by Robert Clark (07/02/09 08:52 AM)

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