Orion 8958 Care and Cleaning of the Optics, SpecificationsSpecifications, 6 f/9 Ritchey-Chrétien

Contents #8956 6 f/9 Ritchey-Chrétien Optical Tube Assembly #8958 8 f/8 Ritchey-Chrétien Optical Tube Assemblyi n s t r u c t i o n M a n u a l Orion Ritchey-Chrétien AstrographsUnpacking Your Telescope Parts ListSetting Up Your Telescope Grip-ring Focuser body Figure 3 Removing the focuser 2a 2b 2c 2dFigures 2a-d Unpacking the Optical Tube Page Focusing the Telescope Attaching a Finder ScopeInserting a Star Diagonal Inserting an EyepieceCollimating the Ritchey‑Chrétien Using the Collimating EyepieceSecondary Adjustment Image Orientation9b 9c Optical Axis AdjustmentStar Testing Care and Cleaning of the Optics SpecificationsSpecifications6 f/9 Ritchey-Chrétien 8 f/8 Ritchey-ChrétienOrion Telescopes & Binoculars One-Year Limited WarrantyOrionTelescopes.com Customer Support Help Line