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The 110 cm - 43.3" f/4 Cruxis Telescope
Mirror Edge Support Calculator for Dobsonian telescopes Mirror Cooling Calculator for telescope mirrors NEW 635 mm - 25" f/5 Dobsonian Telescope 406 mm - 16" f/5 Motorized Alt-azimuth Telescope Dr. Hänssgen's 107 cm - 42" f/4.5 Dobsonian Telescope | ||
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