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8956, 8958
instruction manual
2a 2b 2c 2d, Figures 2a-d Unpacking the Optical Tube
Models:
8956
8958
1
3
9
9
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9 pages
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2
3
4
5
6
7
8
Specification
Parts list
Warranty
Secondary Adjustment
Star Testing
Focusing the Telescope
Page 3
Image 3
Page 2
Page 4
Page 3
Image 3
Page 2
Page 4
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
Parts List
Setting Up Your Telescope
Unpacking Your Telescope
2a 2b 2c 2d
Figures 2a-d Unpacking the Optical Tube
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
Optical Axis Adjustment
Star Testing
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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