Care And Cleaning Of The Optics; Specifications - Orion 8958 Manual

Care and Cleaning of
the Optics
Do not disassemble the Ritchey-Chrétien for any reason,
including to clean the mirror. A small amount of dust and par-
ticulates on the mirror's surface will not affect performance. In

Specifications

6" f/9 Ritchey-Chrétien
Optical configuration
Figure
Mirror material
Mirror Coating
Focuser
Accessories
Baffles
Optical Tube
Aperture
Focal Length
Focal Ratio
Secondary Mirror Minor Axis
Length
Diameter
Weight
8
Ritchey-Chrétien
Hyperbolic
BK-7
Enhanced, no less than
94% with SiO Overcoat
2
Machined Aluminum
Dual-Speed (10:1) Linear
Bearing Crayford
Accepts 2" & 1.25"
8 knife-edge baffles
Steel
150mm (6")
1370 mm
f/9
67mm
406mm
193mm
12.4 lbs.
the event internal cleaning is necessary the telescope should
be shipped to Orion Telescopes and Binoculars for service.
This telescope does not contain user-servicable parts and
disassembly of the components will void the warranty. When
not in use, please use the supplied dust cap(s) to keep dust
and particulates out of the tube and off the optics.
Specifications:
8" f/8 Ritchey-Chrétien
Optical configuration
Figure
Mirror material
Mirror Coating
Focuser
Accessories
Baffles
Optical Tube
Aperture
Focal Length
Focal Ratio
Secondary Mirror Minor Axis
Length
Diameter
Weight
Ritchey-Chrétien
Hyperbolic
BK-7
Enhanced, no less than
94% with SiO Overcoat
2
Machined Aluminum
Dual-Speed (10:1) Linear
Bearing Crayford
Accepts 2" & 1.25"
10 knife-edge baffles
Steel
200mm (8")
1600mm
f/8
90mm
476mm
230mm
15.9 lbs