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12” Convertible Newtonian / Cassegrain Telescope - $3,700 (Bartlett)
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12” f4.5 full thickness mirror with new coating (in mirror case).
Interchangeable Newtonian and Cassegrain secondary mirrors (Cass is f16)
Mounting is extremely stable and can be dismantled for transport
RA axis is motorized for guiding
Mount center section extends for better Cassegrain focus position
Tube front end rotates 360° for best Newtonian position
This scope won Best Design Award at the 1984 Stellafane