Orion #9820, #9823, #9825 instruction manual Parts List

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Finder scope

Correct-image

Eyepiece adapter

bracket

finder scope

25mm Sirius Plössl eyepiece

Dovetail holder

45° correct-image diagonal

Focus knob

Mounting block

Meniscus lens

Figure 1: The Apex Maksutov-Cassegrain optical tube assembly parts diagram. The Apex 102mm is shown,

but all models have similar components.

Welcome to a new world of adventure! Your Apex Maksutov-Cassegrain (Mak-Cass) telescope is a fine-quality instrument designed for both daytime terrestrial viewing and nighttime stargazing. Compact, portable, and easy to use, this versatile scope will provide many hours of enjoyment for the whole family.

Warning: Never look directly at the Sun through your telescope or its finder scope— even for an instant—without a professionally made solar filter that completely covers the front of the instrument, or permanent eye damage could result. Young children should use this telescope only with adult supervision.

These instructions will help you set up and prop- erly use and care for your telescope. Please read them over thoroughly before getting started.

Parts List

Qty. Description

1 Optical tube assembly

125mm Sirius Plössl eyepiece

145° correct-image diagonal

1Correct-image finder scope

1Finder scope bracket

1Soft carry case

1Optical tube dust cover

2

Image 2
Contents Orion Apex Maksutov-Cassegrain Optical Tube Assemblies Parts List Mounting block Installing the AccessoriesAlignment thumb screw Finder scope eyepiece Getting StartedDo You Wear Eyeglasses? FocusingCalculating Magnification Power Aligning the Finder ScopeMoon Objective lens AlignmentFocus Lock ring Eyepiece Spring-loaded tensioner PlanetsStars Knurled ringEyepiece adapter Deep-Sky Objects#9825 Apex 127mm OTA #9820 Apex 90mm OTA#9823 Apex 102mm OTA One-Year Limited Warranty