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Celestron C6-A-XLT (CG-5) Optical Tube Assembly



DESCRIPTION  

General Features

  • 6" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 1500 mm focal length (f/10)
  • 25 mm eyepiece included (60x)
  • Visual back allows for use with 1.25" accessories
  • 6x30 finderscope to help accurately find objects
  • Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
  • Includes dovetail rail compatible with CG-5 Advanced Series mount
FEATURES  
  • 6" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 1500 mm focal length (f/10)
  • 25 mm eyepiece included (60x)
  • Visual back allows for use with 1.25" accessories
  • 6x30 finderscope to help accurately find objects
  • Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
  • Includes dovetail rail compatible with CG-5 Advanced Series mount
SPECIFICATIONS  

PUBLIC SPECS
  • Optical Design: Schmidt-Cassegrain
  • Aperture (mm): 150 mm (5.91 in)
  • Focal Length: 1500 mm (59 in)
  • Focal Ratio: 10
  • Focal Length of Eyepiece 1 (mm): 25 mm (0.98 in)
  • Magnification of Eyepiece 1: 60 x
  • Finderscope: 6x30
  • Star Diagonal: 1.25
  • Optical Tube: Aluminum - black
  • Fastar Compatible: No
  • Highest Useful Magnification: 354 x
  • Lowest Useful Magnification: 21 x
  • Limiting Stellar Magnitude: 13.4
  • Resolution (Rayleigh): 0.93 arc seconds
  • Resolution (Dawes): 0.77 arc seconds
  • Light Gathering Power (Compared to human eye): 459 x
  • Apparent Field of View: .83 °
  • Linear Field of View (@1000 yds): 44 ft (13 m)
  • Secondary Mirror Obstruction: 2.2 in (56 mm)
  • Secondary Mirror Obstruction by Diameter: 37%
  • Secondary Mirror Obstruction by Area: 14%
  • Optical Coatings: StarBright XLT
  • Optical Tube Length: 16 in (406 mm)
  • Optical Tube Weight: 10 lbs (4.54 kg)
  • Dovetail Compatibility: CG-5 Mount

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