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Orion
8956, 8958
instruction manual
i n s t r u c t i o n M a n u a l, OrionTelescopes.com
Models:
8956
8958
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9 pages
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2
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8
Specs
Parts list
Warranty
Secondary Adjustment
Star Testing
Focusing the Telescope
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Contents
#8958 8 f/8 Ritchey-Chrétien Optical Tube Assembly
#8956 6 f/9 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
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
Attaching a Finder Scope
Focusing the Telescope
Inserting a Star Diagonal
Inserting an Eyepiece
Using the Collimating Eyepiece
Collimating the Ritchey‑Chrétien
Secondary Adjustment
Image Orientation
Star Testing
Optical Axis Adjustment
9b 9c
SpecificationsSpecifications
Care and Cleaning of the Optics
6 f/9 Ritchey-Chrétien
8 f/8 Ritchey-Chrétien
One-Year Limited Warranty
Orion Telescopes & Binoculars
OrionTelescopes.com
Customer Support Help Line
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