Hutech Astronomical Products
Equipment for the Serious Amateur Astronomer



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Borg Intro

About the Borg Design Philosophy
Borg FAQs
Complete Systems
Optical Tube Assemblies
Component Combo Solutions
Telescope Components
Borg Image Samples


Borg Optical Tube Assemblies (OTA)

Borg optical tube assemblies revolve around 3 basic tube diameter families. Each family is designed to share the use of components and may be configured in a variety ways for photographic/CCD or visual use.

Mini Borg Scopes - Ultra-compact finder/spotter/guider scopes
  • 45mm F6.6 ED Apochromat
  • 50mm F5 Achromat
  • 60mm F5.4 Achromat
  • 60mm F5.8 ED Apochromat

Series 80 is based around an 80mm diameter tube, with these variations:
  • 77mm F6.5 Achromat
  • 77mm F6.5 ED Apochromat
  • 101mm F6.3 ED Apochromat*
* Also used in 115 series

Series 115 is based around a 115mm diameter tube and accomodates these setups:
  • 125mm F6.4 ED Apochromat
  • 125mm F4 ED Apochromat

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