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ORION TELESCOPES & BINOCULARS Observer II 70mm Altazimuth Refractor User Manual

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INSTRUCTION MANUAL
IN 580 06/17
Orion
®
Observer
II 70mm
Altazimuth Refractor
#10275
Customer Support:
www.OrionTelescopes.com/contactus
Corporate Offices:
89 Hangar Way, Watsonville CA 95076 – USA
Copyright © 2017 Orion Telescopes & Binoculars
All Rights Reserved. No part of this product instruction or any of its contents may be reproduced, copied,
modied or adapted, without the prior written consent of Orion Telescopes & Binoculars.
Providing Exceptional Consumer Optical Products Since 1975
®

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ORION TELESCOPES & BINOCULARS Observer II 70mm Altazimuth Refractor Specifications

Optical Specifications IconOptical Specifications
objective lens diameter70 mm
effective focal length700 mm
focal ratiof/10
Eyepieces IconEyepieces
eyepiece focal length25 mm and 10 mm
eyepiece magnification with 25 mm eyepiece28x
eyepiece magnification with 10 mm eyepiece70x
Physical Characteristics IconPhysical Characteristics
focuser typeRack-and-pinion
total instrument weight5 lbs. 8 oz.
tripod materialAluminum

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