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Specifications

Objective lens: 

Doublet, ED glass optics (S-FPL-51)

Objective lens diameter: 

66mm

Focal length:  

400mm

Focal ratio:  

f/6

Anti-reflection coatings:  

Fully multi-coated (all air-to-glass surfaces multi-layer coated) 

Tube material:  

Carbon fiber and machined aluminum

Dew/glare shield: 

Carbon fiber and machined aluminum, retractable

Focuser 

1.25" dual-speed (10:1) Crayford, rotatable 

Tube dimensions: 

12" L x 5.75" W (with dew shield retracted)

Eyepiece:  

5-element, 65-degree, fully anti-reflection coated

Diagonal:  

45-degree correct-image prism, 1.25"

Mounting:  

Vixen-style dovetail with two ¼"-20 holes in bottom

Finder scope:  

Dovetail base only (finder scope not included)

Weight:  

4 lbs. 5 oz. (1.95kg)

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

Copyright © 2020 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.

A N   E M P L O Y E E - O W N E D   C O M P A N Y

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 & Binoculars will repair or replace, at Orion’s option, any warranted instru-

ment that proves to be defective, provided it is returned postage paid. Proof of purchase (such as a copy of 

the original receipt) is required. This warranty is only valid in the country of purchase.

This warranty does not apply if, in Orion’s judgment, the instrument has been abused, mishandled, or 

modified, nor does it apply to normal wear and tear. This warranty gives you specific legal rights. It is not 

intended to remove or restrict your other legal rights under applicable local consumer law; your state or 

national statutory consumer rights governing the sale of consumer goods remain fully applicable. 

For further warranty information, please visit www.OrionTelescopes.com/warranty.

Summary of Contents for ED66-CF

Page 1: ...e Included Items 1 ED66 CF optical tube assembly 1 14mm wide angle eyepiece 1 45 degree correct image prism diagonal 1 25 1 Objective dust cover 1 Aluminum clad carrying case Refer to Figure 1 to familiarize yourself with the parts and features of the ED66 CF refractor Figure 1 The ED66 CF 66mm Carbon Fiber Refractor Eyepiece Focuser Finder scope base Dew glare shield Diagonal Mounting bar Corpora...

Page 2: ...achment to a telescope mount make sure the mount has a Vixen style dovetail saddle Simply insert the dovetail bar into the saddle on the mount and tighten the saddle s locking knob For attachment of the telescope to a photographic tripod note that on the underside of the telescope s mounting bar are two 20 threaded holes Either of these holes will accept the standard 1 4 20 threaded post found on ...

Page 3: ...sories in their aluminum clad carrying case Finder scope base Rotation collar Fine focus wheel Coarse focus wheel Dovetail mounting bar 1 4 20 holes Drawtube tension thumbscrew Accessory collar Millimeter scale paper towel may scratch the clear coat finish If a scratch does appear on the tube it will not harm the telescope To clean the telescope s objective lens as well as the lens of the eyepiece...

Page 4: ...reproduced copied modified or adapted without the prior written consent of Orion Telescopes Binoculars A N E M P L O Y E E O W N E D C O M P A N Y 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 ...

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