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15" Long Reflector Scope

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Posted by David Burt on February 26, 2004 18:17:48 UTC

I would like to build a reflector telescope for birdwatching purposes , I would like the length to be approx. 15 with a 6 mirror. Am I right in thinking the mirror required to do this would
1. Be very difficult to grind or
2. Very expensive to buy ?
(Also am I right in thinking that the image produced by a reflector is superior to a refractor?)

Many thanks

Dave Burt
(U.K.)

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