| Topic | Original Post | Last Post | Views | Replies | |
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Starting work on the twin 5.5" elliptical secondary mirrors |
gordon on December 27, 2013 at 3:33 PM |
gordon on December 27, 2013 at 3:34 PM |
11077 | 1 |
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22" Binocular Telescope Mirrors! |
gordon on August 21, 2013 at 1:48 PM |
gordon on August 21, 2013 at 1:48 PM |
36124 | 0 |
22" Binocular Optics
Waite Research fabricates twin 22-inch F/4 primary mirrors and twin 5.5-inch elliptical secondary mirrors for a huge 22-inch binocular telescope.