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Orion GOSCOPE 70 User Manual

Orion GOSCOPE 70
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INSTRUCTION MANUAL
IN 255 Rev. D 01/09
Providing Exceptional Consumer Optical Products Since 1975
Customer Support (800)-676-1343
E-mail: support@telescope.com
Corporate Offices (831)‑763‑7000
89 Hangar Way, Watsonville, CA 95076
Orion
®
GoScope
70
#9794 Portable Altazimuth Refractor Telescope
Figure 1. The GoScope 70.
Eyepiece
Diagonal
EZ Finder II
reflex sight
Objective lens
Focus
knob
Leg clamp
Azimuth
lock knob
Handle
Elevator shaft
lock knob
Elevator shaft
adjustment crank
Mounting
block
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Orion GOSCOPE 70 Specifications

General IconGeneral
Aperture70 mm
Focal Length400 mm
Focal Ratiof/5.7
Mount TypeAltazimuth
Eyepieces10 mm, 25 mm
TripodAluminum
Weight6 lbs.
Finderscope5x24
Optical DesignRefractor
Magnification16x, 40x

Summary

Assembly and Parts

Parts Identification

Lists all components included with the GoScope 70 telescope system.

Assembly Procedure

Step-by-step instructions for assembling the telescope and tripod.

Tripod Usage

Movement and Height Adjustment

How to adjust the tripod for altitude, azimuth, and height using its controls.

Telescope Operation and Viewing

Focusing and Eyepieces

Guide to focusing, using eyepieces, and tips for eyeglass wearers.

EZ Finder II Reflex Sight

Operation, alignment, and battery replacement for the EZ Finder II.

Magnification Principles

Explanation of magnification calculation and its effect on viewing.

Observing Best Practices

Site Selection and Conditions

Choosing a good observing site and understanding atmospheric effects.

Dark Adaptation and Cooling

Tips for eye adaptation to darkness and telescope thermal equilibrium.

Observing Targets and Techniques

Tracking and Expectations

How to track objects and what to expect when viewing celestial bodies.

Target Observation Guide

Guidance on observing the Moon, planets, stars, and deep-sky objects.

Maintenance and Specifications

Care and Cleaning

Proper methods for storing and cleaning telescope lenses and parts.

Technical Specifications

Detailed specifications of the GoScope 70 telescope and its accessories.

Warranty Information

One-Year Limited Warranty

Details of the warranty coverage, terms, and conditions for the telescope.

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