Wide Field Cass. OTA; Vixen VC200L
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This is the VISAC (Vixen Sixth-Order Aspherical Catadioptric), 200mm, f/9. It's not a planetary instrument, but for photography (both astro & terrestrial) is is far superior to the usual Schmidt Cassegrains with a significantly wider & flatter field. Focusing is by rack & pinion, avoiding image shift problems. Included: 6x30 finder in dovetail bracket, TelRad base, 1.25" visual back, the 60mm Direct Wide Photo Adapter (accepts your T-ring), extension tube, caps, and dovetail mount bracket (GP, etc.). Orion sold these for around $1400 a couple of years ago. Optics just cleaned & collimated, near mint condition. $740 + shipping.
Funding Member
