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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
This is a quick and excellent tool to make sure all mirrors and focuser center symmetrically
The 2x Barlow apply 2" huge ED (Extra-Low Dispersion) lens to eliminate chromatic aberration
less vibration and better accuracy
fully multi-coated
The signals between drivers is less than 24DCV mostly
GSO RC 0.75x Reducer This is a quick and1. 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