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

$649.00
Article number: 91010-XLT
Availability: Order now!
Delivery time: Ships in 2-3 Days from our Warehouse

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

 

Specifications

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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