Technical Support

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Information regarding upgrades to the GTO Control Box and Keypad Firmware.

Vintage Products - Instruction Manuals and Sheets
Products previously manufactured or offered by Astro-Physics. - We still carry many of the accessory items you may have purchased with previous versions of our products. You will find those items in the "Current Products" section below.

Current Products - Instruction Manuals and Sheets

Refractor Back to top
GTO German Equatorial Mounts Back to top

Mount Accessories

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DigitalSky Voice Software Back to top
Telescope Accessories Back to top
Website Support Back to top

This section of our website is currently under construction. 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 © 2004 - 2012, Astro-Physics, Inc. - All Rights Reserved
This page was last modified: November 21, 2014

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