Orion 8958 Collimating the Ritchey‑Chrétien, Image Orientation, Using the Collimating Eyepiece

Contents i n s t r u c t i o n M a n u a l #8956 6 f/9 Ritchey-Chrétien Optical Tube Assembly#8958 8 f/8 Ritchey-Chrétien Optical Tube Assembly Orion Ritchey-Chrétien AstrographsParts List Setting Up Your TelescopeUnpacking Your Telescope 2a 2b 2c 2d Figures 2a-d Unpacking the Optical TubeGrip-ring Focuser body Figure 3 Removing the focuser Page Inserting a Star Diagonal Focusing the TelescopeAttaching a Finder Scope Inserting an EyepieceSecondary Adjustment Collimating the Ritchey‑ChrétienUsing the Collimating Eyepiece Image OrientationOptical Axis Adjustment Star Testing9b 9c 6 f/9 Ritchey-Chrétien Care and Cleaning of the OpticsSpecificationsSpecifications 8 f/8 Ritchey-ChrétienOrionTelescopes.com Orion Telescopes & BinocularsOne-Year Limited Warranty Customer Support Help Line