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Orion
Quadruplet Astrograph
Refractor Telescope
Congratulations on your purchase of the Orion 70mm ED Quadruplet Astrograph Refractor!
The EON has been designed with exceptionally high quality, precision ED optics and superior
mechanical construction, making it ideally suited to high-performance imaging with today's
larger format CCD and CMOS cameras. These instructions will familiarize you with the features
of your instrument and how to use it.
A N E M P L O Y E E - O W N E D C O M P A N Y
Copyright © 2022 Orion Telescopes & Binoculars. All Rights Reserved. No part of this product instruction or any of its contents
may be reproduced, copied, modified or adapted, without the prior written consent of Orion Telescopes & Binoculars.
INSTRUCTION MANUAL
EON
®
#10383
70mm ED
™
Corporate Offices: 89 Hangar Way, Watsonville CA 95076 - USA
Toll Free USA & Canada: (800) 447-1001
International: +1(831) 763-7000
Customer Support: support@telescope.com
IN 650 6/20
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Summary of Contents for ORION TELESCOPES & BINOCULARS EON 10383
- Page 1 INSTRUCTION MANUAL Orion 70mm ED ® ™ Quadruplet Astrograph Refractor Telescope #10383 Congratulations on your purchase of the Orion 70mm ED Quadruplet Astrograph Refractor! The EON has been designed with exceptionally high quality, precision ED optics and superior mechanical construction, making it ideally suited to high-performance imaging with today’s larger format CCD and CMOS cameras.
- Page 2 Top accessory rail Finder dovetail shoe Camera rotation lock knob 54mm female threads Retractable dew shield 54mm-48mm adapter Dew shield locking setscrews (3x around perimeter Vixen dovetail bar Focus knob (dual speed knob opposite side) Figure 1. Features and parts of the EON 70mm ED Quadruplet Astrograph 2.
- Page 3 focus motion and excellent rigidity for holding heavy imag- ing trains. This rack-and-pinion design is superior to Crayford designs because there is no possibility of focuser slip with heavier loads or pointing high in the sky – critical when trying to obtain precise and repeatable focus, especially when using a robotic focus motor.
- Page 4 field flattener. Simply attach you camera (making sure the focus point is within the range of the focuser), and the resulting image will be very well corrected. 48mm x 0.75mm Finding focus can be a bit difficult the first time out, since there female filter threads are so many different combinations of camera and accessory gear that can attach.
- Page 5 cleaning fluid to a tissue, never directly on the optics. Wipe the lens gently in a circular motion, then remove any excess fluid with a fresh lens tissue. Oily fingerprints and smudges may be removed using this method. Use caution; rubbing too hard may scratch the lens! Clean only a small area at a time, using a fresh lens tissue on each area.
- Page 6 One-Year Limited Warranty This Orion product is warranted against defects in materials or workmanship for a period of one year from the date of purchase. This warranty is for the benefit of the original retail purchaser only. During this war- ranty period Orion Telescopes &...
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