Borg 55FTF2  55FL F3.6 with Feather Touch focuser
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 Borg 55FTF2  55FL F3.6 with Feather Touch focuserBorg 55FTF2  55FL F3.6 with Feather Touch focuser 

Borg 55FTF2 55FL F3.6 with Feather Touch focuser

£1,595.00✓ 2 year warranty

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Special shipped 15-20 working days

About this product

Model:  borg_55fl_f3.6_ftf_set_b
Part Number:  B5536FTFB

Japanese made Borg 55FL f/3.6 Astrograph features a premium quality Fluorite objective from Canon and a premium quality Starlight Instruments Feather Touch focuser.

Includes a Starlight Instruments Feather Touch 2" dual speed focuser with 0.8" of draw tube travel and a 57mm accessory thread.

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

Specification

  • Aperture: 55mm
  • Focal length: 200mm
  • F-ratio: 3.6
  • Lens configuration: 6 elements including 1 fluorite in 5 groups
  • Coating: Fully multi-coated
  • Image Circle: 43mm
  • Physical length: 180mm
  • Tube diameter: 80mm
  • Weight: 1.1kg
  • Filter: 58mm (front hood) & 52mm ( with part #7000)
  • Back focus distance from 7880: 60mm

55mm Fluorite Objective

  • Focal length: 250mm (fluorite)
  • Native F-ratio f/4.5
  • Length: 95mm
  • Weight: 205g
  • Interface (rear): M57/P0.75
  • Interface (front): 58mm filter thread in front of hood

0.8x Reducer

  • Four-element reducer
  • Back focus distance: 60mm
  • Objective side interface: M57 P0.75 male
  • Camera side interface: M57 P0.75 female

Components List:

  • 2555, FTF-BORGIII, FTF-M57 & 7880

Telescope Field of View Simulator

What's in the box

  • 2555 - 55FL Flourite Objective
  • 7880 - 0.8x Quadruplet Reducer
  • FTF-BORGIII - M77.6 FTF Adapter
  • FTFM57 - 2" Feather Touch Focuser

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