Borg 89ED f/6.7 Basic OTA Set

Borg 89ED f/6.7 Basic OTA Set

£1,239.00✓ 2 year warranty

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Special - Shipped 15-20 working days.

About this product

Model:  borg_89edII_f6.7_set
Part Number:  6187

Japanese made Borg 89ED f/6.7 refractor with ED glass element, which significantly reduces chromatic aberration. 

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.

Includes a 2" eyepiece holder for visual use.

Specification

  • Aperture: 89mm
  • Focal length: 600mm
  • F-ratio: 6.7
  • Lens configuration: 2 elements in 2 groups
  • Coating: Fully multi-coated
  • Physical length: 470mm
  • Tube diameter: 80mm
  • Weight: 2.1kg
  • Filter: 82mm (front cap)
  • Parts included: 2589, 6003 (Made up of: 7803, 7137, 77491, 7835, 7508, 7509, & 7522) & 7000

89mm ED Objective

  • Focal length: 600mm
  • F-ratio: 6.7
  • Weight: 860g
  • Length: 150mm

Precision helical focuser

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

System Diagram

Items within the pink box are optional items available separately.

Telescope Field of View Simulator

What's in the box

  • 2589 - 89ED Objective
  • 7803 - 80mm Dia. 205mm Tube
  • 7137 - Draw Tube
  • 77491 - Draw Tube Holder
  • 7835 - Helical Focuser M
  • 7508 - 2" Eyepiece Holder S
  • 7509 - 2" Eyepiece Holder L
  • 7522 - M57 to T-Thread Adapter
  • 7000 - SLR Camera Mount Adapter

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