Borg 55FL F3.6 Astrograph Set B, 55mm Fluorite, w/ helical focuser


Available on backorder

  • Telescope Aperture: 55mm
  • Telescope Focal Ratio: f/3.6
  • 43mm corrected image circle
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Aperture 55 mm (2.25″)
Back Focus 60mm
Corrected Image Circle 43mm
Dawes Limit 2.11 arcseconds
Focal Length 200 mm
Focal Ratio f/3.64
Highest Magnification 110x
Light Gathering Power 62x
Limiting Magnitude 12.5
Optical Design Petzval
Tube Diameter 60mm
Tube Length 190mm
Tube Weight 1.8 lbs