20" RC OPTICAL SYSTEMS - F/8.2 Ritchey-Chretien $45,000 obo
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20" RC OPTICAL SYSTEMS - 20” F/8.2 Ritchey–Chretien carbon truss telescope with ion milled astro-sitall zero expansion optics certified to at least 1/8 wave P-V 1/40 RMS; Truss mounted, 18 pt. floatation cell, ion milled astro-sitall 1/8 PV/1/40 RMS or better, carbon fiber truss, TCC ii, 100mm 5 pc. adapter series, stl/stx adapters, 100mm PIR, 70mm adapter with Tak collimation threads.
Scope NEVER used; purchased new in 2010 from RC Optical Systems, Flagstaff, AZ, for $67,500; inherited. Previously placed on mount once to check collimation/optics set up, recrated in original crate. No manufacturing wait time; currently in storage in Prescott, AZ. Tripod/ap3600 not part of sale.
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