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Welcome to the exciting world of amateur astronomy. Your new Observer 70 Altazimuth Refractor is a quality optical instrument that will deliver countless hours of exciting stargazing, from magnified views of the Moon, star clusters and nebulas to glimpses of Jupiter’s moons and Saturn’s rings. The Observer 70 includes everything you need to go from box to backyard in less than half an hour.
These instructions will help you set up, use and care for your new telescope.
Table of Contents
ing the proper packaging will help ensure that your telescope will survive the journey intact.
1. Unpacking . . . . . . . . . . . . 3
2. Parts List . . . . . . . . . . . . 3
3.The Basic Components of
Your Telescope . . . . . . . . . . 5
4.Assembly . . . . . . . . . . . . 10
5.Getting Started . . . . . . . . . 10
6.Using Your Telescope . . . . . . . 12
7.Care and Maintenance . . . . . . 15
8.Specifications . . . . . . . . . . 16
1.Unpacking
The entire telescope system will arrive in one box. Be careful unpacking the box since some of the contents are small and easy to overlook. We recommend keeping all the original packaging. In the event you need to ship the telescope to another location, or return it to Orion for warranty repair, hav-
Warning: Never look directly at the Sun through your telescope or its finder
Make sure all the parts in the parts list are present. Familiarize yourself with their features and compare them to the callouts on Figures 1, 2, and 3 when possible. If anything appears to be missing or broken, immediately call Orion Customer Support
2. Parts List
Qty. | Description (Figure callout #) |
1Optical tube assembly (1)
1Altazimuth yoke mount (5)
1Altitude
3Tripod legs (6) with attached accessory tray bracket (22)
1 Accessory tray (7)
1 EZ Finder II reflex sight (4)
1 EZ Finder II mounting bracket (11)
3Tripod attachment screws (21) with wingnuts and washers
3Accessory tray attachment wing screws
3Leg lock knobs (23)
2Yoke knobs (18)
125mm Explorer II eyepiece (3)
110mm Explorer II eyepiece (24)
190° mirror star diagonal (2)
1Dust cover (25)
3