Orion 10" f/8 Ritchey-Chretien Astrograph Telescope
Description
Go after even the most elusive and faint deep-sky targets with the Orion 10" f/8.0 Ritchey-Chretien Astrograph. Featuring virtually coma-free optics for superb imaging performance, the Orion 10" f/8.0 Ritchey-Chretien Astrograph boasts aplethora of deluxe features. Its precision hyperbolic primary and secondary mirrors are made of highest quality quartz optical glass with enhanced reflectivity (96%) aluminum coatings. The machined aluminum, dual-speed (10:1) 3.3" modified Crayfordfocuser with a sturdy linear track bearing that provides rigid, backlash-free support of hefty imaging cameras and accessories. Eight knife-edge computer-positioned internal light baffles in the optical tube, primary mirror tube baffles, and a baffledsecondary mirror shield ensure maximum image contrast and brightness. Three 1.5" DC cooling fans built into the rear cell help to reduce cooldown time for the telescope to reach thermal equilibrium. Two wide "Losmandy-style" dovetail mounting plates areattached to both the top and bottom of the tube for easy mount attachment and use of optional guide scope for guided CCD imaging pursuits.
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