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8958 Care and Cleaning of the Optics, SpecificationsSpecifications, 6 f/9 Ritchey-Chrétien
Models:
8956
8958
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Specifications
Parts list
Warranty
Secondary Adjustment
Star Testing
Focusing the Telescope
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Contents
#8956 6 f/9 Ritchey-Chrétien Optical Tube Assembly
#8958 8 f/8 Ritchey-Chrétien Optical Tube Assembly
i n s t r u c t i o n M a n u a l
Orion Ritchey-Chrétien Astrographs
Unpacking Your Telescope
Parts List
Setting Up Your Telescope
Grip-ring Focuser body Figure 3 Removing the focuser
2a 2b 2c 2d
Figures 2a-d Unpacking the Optical Tube
Page
Focusing the Telescope
Attaching a Finder Scope
Inserting a Star Diagonal
Inserting an Eyepiece
Collimating the Ritchey‑Chrétien
Using the Collimating Eyepiece
Secondary Adjustment
Image Orientation
9b 9c
Optical Axis Adjustment
Star Testing
Care and Cleaning of the Optics
SpecificationsSpecifications
6 f/9 Ritchey-Chrétien
8 f/8 Ritchey-Chrétien
Orion Telescopes & Binoculars
One-Year Limited Warranty
OrionTelescopes.com
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