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Congratulations on your purchase of an Orion EON ED-X2 
Triplet Apochromatic Refractor! 
The EON 85mm and 104mm 
ED-X2 have been designed with exceptionally high quality, 
precision ED optics and superior mechanical construction, 
making them ideally suited to both high-performance imaging 
or visual stargazing pursuits. These instructions will familiarize 
you with the features of your instrument and how to use it.

WARNiNg: 

Do NOT look at the Sun without a 

professionally made solar filter on the telescope; 

serious eye damage may result if you look at the 

Sun with any unfiltered optical instrument. Do 

not leave the telescope unsupervised around 

children. Always cover the lenses when leaving the 

telescope in direct sunlight.

contents

1. Parts List  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Features and Functions  . . . . . . . . . . . . . . . . . . 3
3. Operating the EON ED-X2 . . . . . . . . . . . . . . . . 4
4. Care & Maintenance   . . . . . . . . . . . . . . . . . . . . 5
6. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1. Parts list

•  EON 85mm or 104mm ED-X2 Triplet optical tube assembly
•  Aluminum objective cap
•  2" to 1.25" accessory adapter
•  Dovetail finder scope base, mounting screws
•  Tube rings (pair)
•  1/4"-20 socket head cap screws (x4)
•  Allen wrench, 2.5mm
•  Dovetail mounting bar (7”)
•  Hard case with custom foam interior

The EON 85mm and 104mm ED-X2 Triplet apochromatic 
refractors come ready for use from the factory. Your telescope’s 
optics have been assembled and precisely collimated at the 
factory, so they should not require any adjustments. Please 
keep the original shipping box. In the unlikely event that you 
need to ship the telescope back to Orion for warranty repair 
service, you should use the original packaging

Figure 1. 

Features and parts of the EON ED-X2 Triplet Apochromatic Refractors (EON 104mm shown).

Dovetail mounting plate

Fine focus knob (11:1)

Coarse focus knob

1.25"accessory 

collar

2" accessory 

collar

Finder scope 

mounting shoe

Hybrid-drive R&P 

focuser

Tube rings

Retractable dew shield

Summary of Contents for EON 85mm ED-X2

Page 1: ...copes com contactus Corporate Offices 89 Hangar Way Watsonville CA 95076 USA Providing Exceptional Consumer Optical Products Since 1975 Copyright 2016 Orion Telescopes Binoculars All Rights Reserved N...

Page 2: ...Maintenance 5 6 Specifications 6 1 Parts List EON 85mm or 104mm ED X2 Triplet optical tube assembly Aluminum objective cap 2 to 1 25 accessory adapter Dovetail finder scope base mounting screws Tube r...

Page 3: ...the drawtube slips easily under the weight of your eyepiece or camera you can make adjustments to the focuser tension with the drawtube tension set screw located on the bottom side of the focuser Figu...

Page 4: ...sory collar If you do not plan to use one or either of the rotation interfaces we recommend tightening down the three setscrews as well as the thumbscrew lock Finder Scope Dovetail Shoe Your EON ED X2...

Page 5: ...hen imaging with cameras having an APS C sized sensor or larger to provide an optimally flat field out to the periphery of the sensor For imaging sensors smaller than APS C used with the EON a field f...

Page 6: ...t FPL 53 fluoro crown ED glass Ohara Lens cell Machined aluminum Aperture 85mm 3 3 Tube color Gloss black with red anodized satin trim Focal length 560mm F ratio 6 6 Lens coatings Fully multi coated a...

Page 7: ...g Tube rings Split felt lining five 1 4 20 holes on upper and lower bosses Focuser 2 7 hybrid drive rack and pinion 11 1 dual speed rotatable Drawtube travel 3 8 96mm Drawtube lock Yes Dew shield Retr...

Page 8: ...nstrument 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 right...

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