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How To Inspect A Mirror Through Mail Order

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Posted by Hoang Tran/">Hoang Tran on June 28, 1999 04:15:55 UTC


i just received a 8" f/6 primary mirror after i inspect it it, i found a small crack on back side of it about 1/4" on one side of mirror someone out there please let me know it's ok for this mirror or i exchange for another one.

thank a lot if u can answer asap.( i'm a newby in builtding my first telescope)

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