INSTRUCTION MANUAL
Orion®
ShortTube™ 90
90mm
#9069
Welcome to a new world of adventure! Your Orion ShortTube 90 is a
These instructions will help you set up and properly use and care for your telescope. Please read them over thoroughly before getting started.
Finder scope alignment screws
Finder scope
Finder scope bracket
Focus lock setscrew
Eyepiece 
Dew/glare shield
90° star diagonal 
Focus wheel 
The ShortTube 90mm Refractor
WARNING: Never look at the sun with your telescope (or even with just your eyes) without a professionally made solar filter. Permanent eye damage or blindness could result. Young children should use this telescope only with adult supervision.
Avoid using the type of solar filter that screws into an eye- piece. They are susceptible to cracking under the intense heat that builds up near the focus point, and could cause severe retinal damage. Use only the type of solar filter that covers the front of the telescope. Be sure also to cover the front of the finder scope with aluminum foil or another opaque material to prevent physical damage to the internal components of the scope itself as well as to your eyes.
Parts List
Qty. Description
1 Optical tube assembly
126mm (19x) Plössl eyepiece (1.25")
190° star diagonal
16x30 finder scope
1Objective lens cap
Getting Started
The ShortTube 90 comes nearly fully assembled from the factory. The telescope’s optics have been installed and collimated, so you should not have to make any adjustments to them. Open the box and inspect the contents to make sure all of the parts listed above are present.
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Providing Exceptional Consumer Optical Products Since 1975 | ||||
P.O. Box 1815, Santa Cruz, CA 95061 | ||||
