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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
60 degree FOV
To reduce cool-down time
and its inner a brass compression ring is designed to clamps equipment tightly but avoid any scratch on it
Free shipping in US mainland
The collimator cots $49
GSO RC 0.75x Reducer 60 degree FOV1. GSO 0. 75x focal reducer is designed only for Ritchey Chretien telescopes 2. Reducer is 2 4 elements fully coated lens, provide a wider field of view and larger aperture for astrophotography 3. The special camera adapter and 2 eyepiece adapter are included. 4. The GSO 0. 75x focal reducer provides about 80mm back focus. Please follow the instruction to derive best performance. 5. Free shipping in US mainland
US$ 260.00
US$ 24.95
US$ 15.92
US$ 490.00
