Orion 8296 Manual Download

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I N S T R U C T I O N M A N U A L

IN 406 Rev. A 07/11

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

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

Orion 8" and 10" f/3.9

Newtonian Astrographs

#8297 8" f/3.9, #8296 10" f/3.9

Providing Exceptional Consumer Optical Products Since 1975

OrionTelescopes.com

#8296

Summary of Contents for 8296

Page 1: ...E mail support telescope com Corporate Offices 831 763 7000 89 Hangar Way Watsonville CA 95076 2011 Orion Telescopes Binoculars Orion 8 and 10 f 3 9 Newtonian Astrographs 8297 8 f 3 9 8296 10 f 3 9 P...

Page 2: ...it through completely before attempting to use the scope and its included accessories Parts List Optical tube assembly Optical tube dust cap 1 25 eyepiece holder 9x50 finder scope with bracket Pair of...

Page 3: ...cusing A reinforcing plate inside the optical tube just under the focuser provides added rigidity minimizing any flexing of the focuser housing on the tube due to the weight and moment arm of the imag...

Page 4: ...center it Otherwise you ll have to make coarser adjustments to redirect the aim of the finder scope Once the target object is centered on the crosshairs of the finder scope look again in the telescop...

Page 5: ...nd strip the threads Repeat this for the other three screws and washers 4 Insert eight D cell batteries not included into the battery pack Orient the batteries as shown on the plastic battery holder 5...

Page 6: ...ng the Piggyback Camera Adapter from the Tube Ring If you want to install an optional mounting plate atop the tube rings for piggyback attachment of a guide scope you ll need to remove the piggyback c...

Page 7: ...on adapter just insert its tapered base into the 2 accessory collar of the fo cuser then tighten the two locking thumbscrews to secure the adapter in place Collimating the Optics Aligning the Mirrors...

Page 8: ...uitive but it s true Preparing the Telescope for Collimation Once you get the hang of collimating you will be able to do it quickly even in the dark If you re new to It it is best to col limate in day...

Page 9: ...rom the ends of the spider vanes Also when mak ing this adjustment be careful not to stress the spider vanes or they could bend Adjusting the Secondary Mirror s Rotational Position The secondary mirro...

Page 10: ...r to the ring try using one of the other collimation knobs It will take some trial and error using all three collima tion knobs to properly align the primary mirror Over time you will get the feel for...

Page 11: ...To clean the primary mirror first carefully remove the mirror cell from the telescope To do so you must remove the screws that attach the primary mirror cell and end ring to the tube Figure 16 Then pu...

Page 12: ...baffles 13 Weight 25 5 lbs without tube rings fan finder scope 1 25 eyepiece holder 30 2 lbs with tube rings finder scope 1 25 eyepiece holder Length 38 6 Tube rings Included hinged felt lined Finder...