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Orion
8958, 8956
instruction manual
Models:
8956
8958
1
4
9
9
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9 pages
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1
2
3
4
5
6
7
8
Specs
Parts list
Warranty
Secondary Adjustment
Star Testing
Focusing the Telescope
Page 4
Image 4
Page 3
Page 5
Page 4
Image 4
Page 3
Page 5
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
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
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
Star Testing
Optical Axis Adjustment
9b 9c
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
Customer Support Help Line
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