BORG 107FL F3.9ED Astrograph Complete Set

$4,595.00

SKU: b10739f Categories: ,

Description

 

Specifications

  • 107mm CANON Fluorite
  • Focal length : 420mm
  • F-ratio : 3.9
  • 6-element optical system, including one fluorite and one ED
  • 55mm image circle
  • 80.0mm backfocus without 7507 and 7352 (60.0mm from 7352)
  • Illumination : 77% full frame / 68% 55mm diagonal sensor
  • Feather Touch Focuser (FTF-3215B-A) as standard
  • Physical length : 440mm
  • 4.3kg

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