Technical Support - Legacy Products

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Instruction Manuals and Sheets - Legacy Products
Instructions for items previously manufactured or offered by Astro-Physics. For items that we still offer, please search for the product on our Astro-Physics, Inc. website .

German Equatorial Mounts
Mount Accessories Telescope Accessories

Technical Support for Current Products (will take you to a new web page)

  • Care of Your Astro-Physics Refractor (9-4-14)
  • Focuser Pinion Adjustment (07-15-02) - PDF document - for most Traveler, 2.7" and 4" Focusers shipped prior to July 2001
  • Upgrade Legacy Telescopes with New Focusers

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    German Equatorial Mounts

    If your mount is not listed, please know that we are adding additional instructions as they become available for the web. If your mount is a newer version GTO, please click here.

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    Mount Accessories

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    Telescope Accessories

    Please see the list of accessory instructions under the "Current Products" for more recent items.
    Diagonals & Binoviewer

    Imaging - Photo
    These diagrams and instructions include adapters and other items that are no longer available.
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    This section of our website will be updated periodically. Our goal is to provide a wide range of instructions and information that will prove to be valuable to those who own our products as well as those who are considering the purchase of our products. We realize that we have only scratched the surface and look forward to incorporating additional instruction pages.

    If you have further questions, or the answer you are looking for is not included in this section.
    You may contact Astro-Physics' technical support staff at

    Copyright © 2018-2019, Astro-Physics, Inc. - All Rights Reserved
    This page was last modified: December 17, 2022

    Astro-Physics, Inc.
    11250 Forest Hills Road, Rockford, IL  61115, U.S.A.
    Phone: 815-282-1513   Fax: 815-282-9847