Borg 107FL f/6 Astrograph with Feather Touch Focuser Set

Borg 107FL f/6 Astrograph with Feather Touch Focuser Set


Special - Shipped 15-20 working days.

Model:  borg_107fl_f6_ftf_ast_set
Part Number:  107F6FTF
Brand:  Borg



  • 2107 - 107FL Objective Assembly
  • 7803 - 80mm Dia. 205mm Tube
  • FTF-BORGII - M77.6 FTF Adapter
  • FTF-M57 - 2" Feather Touch Focuser
  • 7352 - M57 Rotating Ring DX
  • 7108 - 1.08x DG Multi Flattener
  • 2x 7085 - Series 80 Mounting Ring

Japanese made Borg 107FL f/6 Astrograph features a premium quality Fluorite objective from Canon and a 1.08x Flattener.

Includes a Starlight Instruments Feather Touch 2" dual speed focuser with 2" of draw tube travel and a compression ring.

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


  • Aperture: 107mm Fluorite
  • Focal length: 650mm
  • F-ratio: 6
  • Lens configuration: 4 elements in 3 groups
  • Coating: Fully multi-coated
  • Physical length: 526mm
  • Tube diameter: 80mm
  • Weight: 3.0g OTA only
  • Filter: 82mm (front cap)
  • Parts included: 2107, 7803, FTF-BORGII, FTF-M57 (7901 version), 7352, 7108 & 2 x 7085
  • Notes: The back end of FTF-M57 is 7901. A set includes a pair of mounting rings.

107mm Flourite Objective

  • 107mm fluorite
  • F5.6
  • 600mm focal length
  • 1.9kg
  • 174mm long when fully retracted

1.08x DG Multi Flattener

  • Works with objectives between 300 - 800mm focal length via adjustable lens barrel
  • Fully covers 35mm full format sensors
  • M57 male on objective side
  • M57 female on camera side
  • Back focus : 55mm

Telescope Field of View Simulator

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