
Congratulations on your purchase of a quality Orion telescope! Your new AstroView 120ST EQ Refractor is designed for 
If you have never owned a telescope, we are pleased to welcome you to amateur astronomy. Take some time to familiarize yourself with the night sky. Learn to recognize the patterns of stars in the major con- stellations; a star wheel, or planisphere, available from Orion or from your local telescope shop, will greatly help. With a little practice, a little patience, and a reasonably dark sky away from city lights, you’ll find your telescope to be a 
These instructions will help you set up, properly use and care for your telescope. Please read them over thoroughly before getting started.
| Table of Contents | 
 | |
| 1. | Parts List | 3 | 
| 2. | Assembly | 4 | 
| 3. | Balancing the Telescope | 6 | 
| 4. | Aligning the Finder Scope | 7 | 
| 5. | Setting Up and Using the Equatorial Mount | 7 | 
| 6. | Using Your  | 11 | 
| 7. | Astrophotography | 14 | 
| 8. | Terrestrial Viewing | 15 | 
| 9. | Care and Maintenance | 15 | 
| 10. | Specifications | 16 | 
1. Parts List
Qty. Description
1 Optical tube assembly
1
1Large counterweight
1Small counterweight
1Counterweight shaft
3Tripod Legs with mounting hardware
1Accessory tray with mounting hardware
1Accessory tray bracket
2
1 Polar axis finder scope
1Plastic cover for polar axis finder scope
2Optical tube mounting rings
16x30 achromatic crosshair finder scope
1Finder scope bracket with 
1 Mirror star diagonal (1.25")
125mm (40x) Plössl eyepiece (1.25")
110mm (100x) Plössl eyepiece (1.25")
1Dust cap
4Assembly Tools (2 wrenches, Phillips screwdriver, 
Warning: Never look directly at the Sun through your telescope or its finder scope— even for an 
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