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especially in fast focal ratio systems
500mm EFL Refractor Telescope 80mm F/6 featuring top end Crayford / Rack & Pinion Hybrid Focuser
and can be heated to accomplish transmission on the higher of the two Na D lines
Owners can view using their SLR or DSLR camera or an eyepiece
Daystar Q34XGF GOLD Side Plate astro imaging especially in fast focal ratioFor adapting the TeleVue 4X Powermate to Quantum or ION filters. Makes your optics train much shorter. No PMT adapter required. Simply unscrew the 2" female drawtube from the Powermate, screw this plate on in its place, and then attach this plate to the Quantum or Ion with three screws to the GOLD (Sun) side of the filter. Female M48x0. 75 thread to Quantum Ion 3 hole pattern. 3" diameter, 0. 53" thick. Plate weighs 0. 11 lb.
US$ 151.99
US$ 160.95
US$ 76.25
US$ 113.08