Hutech - 90FL F4 Astrograph Set

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Borg telescopes from AstroHutech are unique in that they are completely configurable telescope systems allowing you to build the perfect system for your needs. This Astrograph set includes an additional 80mm 150mm long tube, a .72x reducer and helical focuser along with the adapters to complete the optical assembly. The end result is a 90mm f/4 fluorite refractor. Please see full description for included parts.
SKU: ASH-66900
Manufactured by:
Astro Hutech
 

Product Description

Hutech Borg 90FL F4 Astrograph Set

Borg telescopes from AstroHutech are unique in that they are completely configurable telescope systems allowing you to build the perfect system for your needs. The 90FL series is based on the 90mm fluorite objective with a base focal ration of f/5.6 at 500mm of focal length.  By adding various components to this base telescope lens you can create visual or imaging systems to suit your needs.  This Astrograph set includes an additional 80mm 150mm long tube, a .72x reducer and helical focuser along with the adapters to complete the optical assembly. The end result is a 90mm f/4 fluorite refractor.  

Included Items:

  • 2591 - 90FL Fluorite Objective Assembly (black)
  • 7151 - 80mm diameter 150mm long tube (black)
  • 7801 - M77.6 to M68.6 Adapter
  • 7835 - Helical Focuser M-M68.8
  • 7872 - 0.72x Quadruplet Super Reducer
  • 7352 - M57 Rotating Ring DX
 
 
 

Specifications

Name Hutech - 90FL F4 Astrograph Set
Manufacturer Astro Hutech
Model ASH-66900
In The Box 2591 - 90mm Fluorite Objective 7151 - 80mm diameter 150mm black tube 7801 - M77.6 to M68.6 Adapter 7835 - Helical Focuser M-M68.8 7872 - 0.72x Quadruplet Super Reducer 7352 - M57 Rotating Ring DX
Focal Length 500mm
Focal Ratio f/5.6
Length 420mm

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In the Box

2591 - 90mm Fluorite Objective
7151 - 80mm diameter 150mm black tube
7801 - M77.6 to M68.6 Adapter
7835 - Helical Focuser M-M68.8
7872 - 0.72x Quadruplet Super Reducer
7352 - M57 Rotating Ring DX

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