Celestron OmniXLT 102 Optical Tube Assembly with Upgraded 2" GSO Focuser (Pre-Owned)

In Stock
SKU: USED13579
Regular price $550.00 CAD
Regular price $650.00 CAD Sale Sale price $550.00 CAD

Product details

  • SKU USED13579
  • Refractor telescope with 4" diameter objective lens, aspheric ED glass element, diffraction limited optics and seamless aluminum main tube
  • High quality optics starting with each lens and/or mirror being hand-selected so only the finest grade of optical glass is used
  • StarBright XLT coatings provide maximized light transmission
  • Upgraded with a GSO 2" Crayford Focuser Dual Speed ($200 in value!)
  • Hard storage  Case included

Technical Specifications:

  • Clear aperture - 102mm (4.02 in.)
  • Focal length - 900mm (35.43 in.)
  • Focal Ratio - 8.82 (f/8.8)
  • Highest useful magnification - 241x (at 60 power per inch)
  • Lowest useful magnification - 15x
  • Limiting stellar magnitude - 12.5
  • Resolution (Rayleigh) - 1.37 arcsec
  • Resolution (Dawes) - 1.14 arcsec
  • Light gathering power - 212x the human eye
  • Angular field of view - 1.25 degrees
  • Optical tube length - 37 in.
  • Optical tube weight - 8 pounds
  • Mounting Rings included