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| Making Hole In Old Mirror.
Forum List | Follow Ups | Post Message | Back to Thread Topics Posted by Jonas Carlsson/">Jonas Carlsson on July 27, 1997 19:51:40 UTC |
Hello All! I wish to start by saying that I am new to this group and if I make any 'errors', please excuse me. I am not new to telescope making though but I have never made any mirrors myself and I have a question about that: Done right, is it possible to, succesfully, make a hole in an old Newtonian mirror to achive a Classical Cassegrain design aswell? I have read that the "bending" that occurs around the hole will affect the mirror so that it have to be re-figured after the incision. Best Wishes/Jonas Carlsson |
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