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

76,607.00 excl. 18% GST

  • 6″ Schmidt-Cassegrain Optical Tube Assembly (OTA)
  • Features Celestron’s premium patented StarBright XLT Optical coatings
  • 1500 mm focal length (f/10)
  • Tube constructed of durable and lightweight aluminum
  • Includes: 25mm eyepiece (60x), 6×30 Optical finderscope, star diagonal, 1.25” visual back, CG-5 dovetail bar

Available on backorder

Optical Tube INFO:
Optical Design Schmidt-Cassegrain
Aperture 150mm (6″)
Focal Length 1500mm (59″)
Focal Ratio f/10
Focal Length of Eyepiece 1 25mm (0.98″)
Magnification of Eyepiece 1 60x
Finderscope 6×30
Star Diagonal 1.25″ Star Diagonal
Optical Tube Aluminum
Highest Useful Magnification 354x
Lowest Useful Magnification 21x
Limiting Stellar Magnitude 13.4
Resolution (Rayleigh) 0.93 arc seconds
Resolution (Dawes) 0.77 arc seconds
Light Gathering Power (Compared to human eye) 459x
Secondary Mirror Obstruction 56mm (2.2″)
Secondary Mirror Obstruction by Diameter 37%
Secondary Mirror Obstruction by Area 14%
Optical Coatings StarBright XLT
Optical Tube Length 406mm (16″)
Optical Tube Diameter 180mm (7.12″)
Optical Tube Weight 10 lbs (4.54 kg)
Dovetail CG-5 Dovetail bar

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