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Orion
8956, 8958
instruction manual
9b 9c, Optical Axis Adjustment, Star Testing
Models:
8956
8958
1
7
9
9
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9 pages
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3
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9
Specs
Parts list
Warranty
Secondary Adjustment
Star Testing
Focusing the Telescope
Page 7
Image 7
Page 6
Page 8
Page 7
Image 7
Page 6
Page 8
Contents
Orion Ritchey-Chrétien Astrographs
#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
Setting Up Your Telescope
Parts List
Unpacking Your Telescope
Figures 2a-d Unpacking the Optical Tube
2a 2b 2c 2d
Grip-ring Focuser body Figure 3 Removing the focuser
Page
Inserting an Eyepiece
Focusing the Telescope
Attaching a Finder Scope
Inserting a Star Diagonal
Image Orientation
Collimating the Ritchey‑Chrétien
Using the Collimating Eyepiece
Secondary Adjustment
Star Testing
Optical Axis Adjustment
9b 9c
8 f/8 Ritchey-Chrétien
Care and Cleaning of the Optics
SpecificationsSpecifications
6 f/9 Ritchey-Chrétien
Customer Support Help Line
Orion Telescopes & Binoculars
One-Year Limited Warranty
OrionTelescopes.com
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