Specifications - Orion Observer 90mm Instruction Manual

IX. Specifications
Observer 90mm EQ Refractor
Lens aperture:
Lens assembly:
Lens coating:
Focal length:
Focal ratio:
Focuser:
Eyepieces:
Eyepiece magnification:
Finder scope:
Diagonal:
Mount:
Tripod:
Total instrument weight:
Observer 114mm EQ Reflector
Primary mirror diameter:
Primary mirror coating:
Secondary mirror
minor axis dia.:
Central obstruction
Focal length:
Focal ratio:
Focuser:
Eyepieces:
Eyepiece magnification:
Finder scope:
Mount:
Tripod:
Total instrument weight:
A N E M P L O Y E E - O W N E D C O M P A N Y
Copyright © 2021 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.
16
90mm (3.5")
Achromatic doublet
Fully MgF2 coated
900mm
f/10
Rack-and-pinion, accepts 1.25"
accessories
25mm and 10mm Plossl, fully
coated, 1.25" barrel diameter,
threaded for Orion filters
36x (25mm eyepiece) and 90x
(10mm eyepiece)
6x30 achromatic
90-degree mirror star diagonal
German equatorial
Aluminum
16 lbs., 12.2 oz.
114mm (4.5")
Aluminum with silicon dioxide
(SiO2) overcoat
35.2mm
37.4mm
500mm
f/4.4
Rack-and-pinion, accepts 1.25"
accessories
25mm and 10mm Plossl, fully
coated, 1.25" barrel diameter,
threaded for Orion filters
20x (25mm eyepiece) and 50x
(10mm eyepiece)
Red dot finder scope
German equatorial
Aluminum
16 lbs., 1.5 oz.
Observer 134mm EQ Reflector
Primary mirror diameter:
Primary mirror coating:
Secondary mirror
minor axis dia.:
Central obstruction
Focal length:
Focal ratio:
Focuser:
Eyepieces:
Eyepiece magnification:
Finder scope:
Mount:
Tripod:
Total instrument weight:
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 warranty 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 instru-
ment 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 con-
sumer goods remain fully applicable.
For fur ther warrant y infor mation, please visit www.
OrionTelescopes.com/warranty.
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
134mm (5.3")
Aluminum with silicon dioxide
(SiO2) overcoat
43mm
39.8mm
650mm
f/4.8
Rack-and-pinion, accepts 1.25"
accessories
25mm and 10mm Plossl, fully
coated, 1.25" barrel diameter,
threaded for Orion filters
26x (25mm eyepiece) and 65x
(10mm eyepiece)
6x30 achromatic
German equatorial
Aluminum
18 lbs., 4.3 oz.