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| Re: 3" F4 Newtonian Mirror
Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Josh Miller/">Josh Miller on May 30, 1999 17:03:36 UTC |
University optics sells a 4.25" f/4. The Astroscan uses a 4.25" f/4, Edmund sells that mirror by itself. Apogee has a 3" lens with a 250 mm focal length. I don't kow of anyone who sells a 3" f/4 though. |
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