Orion 9527 instruction manual Orion 8 f/4.0 Newtonian Astrograph

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i n s t r u c t i o n M a n u a l

Orion® 8" f/4.0

Newtonian Astrograph

#9527

Providing Exceptional Consumer Optical Products Since 1975

OrionTelescopes.com

Customer Support (800) 676-1343 • E-mail: support@telescope.com

Corporate Offices (831) 763-7000 • 89 Hangar Way, Watsonville, CA 95076

IN 378 Rev. A 1/10

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Contents Orion 8 f/4.0 Newtonian Astrograph Connecting the Telescope to a Mount Parts ListGetting Started Dual-speed 2 Crayford-type linear bearing focuser Dual-Speed Crayford Focuser with Linear Track BearingFine Focus Using 1.25 and 2 AccessoriesAttaching the Finder Scope Aligning the Finder ScopeOperating the 8 f/4.0 Newtonian Astrograph Focusing the Finder ScopeCooling the Telescope Mirror Cooling FanImaging with the 8 f/4.0 Newtonian Astrograph Collimating the Optics Aligning the MirrorsAttaching a CCD Camera Attaching a Dslr CameraPrimary Mirror Center Mark Collimation CapAdjusting the Secondary Mirror’s Radial Position Adjusting the Secondary Mirror’s Axial PositionPreparing the Telescope for Collimating Aligning the Secondary MirrorAdjusting the Secondary Mirror’s Tilt Adjusting the Secondary Mirror’s Rotational PositionAligning the Primary Mirror Star-Testing the Telescope Care & MaintenanceCleaning Mirrors Orion 8 f/4.0 Newtonian Astrograph SpecificationsOne-Year Limited Warranty