Borg 71FL f/5.6 Series 80 Basic OTA Set

Borg 71FL f/5.6 Series 80 Basic OTA Set
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£969.00

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Model:  borg_71fl_80mm_f5.6_set
Part Number:  6170
Brand:  Borg

Borg

INCLUDED IN THE BOX

  • 2572 - 71FL Flourite Objective
  • 7151 - 80mm Dia. 150mm Tube
  • 77491 - Draw Tube Holder
  • 7790 - Draw Tube DX
  • 7835 - Helical Focuser M

Japanese made Borg 71FL f/5.6 features a premium quality Fluorite objective from Canon with 80mm tube diameter.

Includes a Borg Helical focuser for precise dependable focusing. 

Modular Borg design allows you to reconfigure the scope for visual observing or to disassemble it for ultra portability.

Can be used visually by adding a 2" eyepiece holder available separately (7508 or 7509).

Specification

  • Aperture: 71mm
  • Focal length: 400mm
  • F-ratio: 5.6
  • Lens configuration: 2 elements in 2 groups
  • Coating: Fully multi-coated
  • Physical length: 350mm
  • Tube diameter: 80mm
  • Weight: 1.2kg
  • Filter: 72mm (front hood)
  • Parts included: 2572, 7151, 77491, 7790 & 7835

71mm Flourite Objective

  • Focal length: 400mm
  • F-ratio: 5.6
  • Weight: 410g
  • Length: 170mm

Precision helical focuser

  • Light path: 63mm to 82mm
  • OD: 77mm
  • ID: 56mm
  • Weight: 320g

System Diagram

The greyed out component is part of the objective assembly 7151 which is not required when used with the Series 80 tube.

Telescope Field of View Simulator

There are currently no specifications available for this product.

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