Orion Telescope User Manual

INSTRUCTION MANUAL
IN 265 Rev. A 8/05
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Orion
®
Schmidt-Cassegrain
Telescopes 8", 9.25", & 11"

Orion Telescope Specifications

General

Brand	Orion
Model	Telescope
Category	Telescope
Language	English

Summary

Attaching and Using Telescope Accessories

Attaching the Visual Back

Instructions for connecting accessories to the telescope's rear cell.

Inserting a Star Diagonal

Guide for inserting a star diagonal into the visual back for comfortable viewing.

Inserting an Eyepiece

Steps to install an eyepiece into the visual back or star diagonal.

Attaching a Finder Scope

Procedure for mounting and securing a finder scope to the telescope.

Telescope Operation and Calculation

Aligning the Finder Scope

Detailed steps for aligning the finder scope with the main telescope optics.

Focusing the Finder Scope

Instructions on how to adjust the finder scope's focus for clear viewing.

Focusing the Telescope

Guidance on using the focusing knob to achieve a sharp image.

Calculating Magnification

Explains how to determine the telescope's magnification using eyepieces.

Determining the Field of View

Method for calculating the actual field of view of the telescope.

Maintenance and Adjustments

Care and Cleaning of the Optics

Proper procedures for cleaning telescope optics to avoid damage.

Collimation

Steps and guidance for adjusting the secondary mirror for optimal optical alignment.

Orion Two-Year Limited Warranty