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 Celestron C6-A-XLT CG-5 6" f/10 Schmidt-Cassegrain Telescope (OTA Only)
Celestron C6-A-XLT (CG-5) Optical Tube Assembly

Celestron C6-A-XLT CG-5 6" f/10 Schmidt-Cassegrain Telescope (OTA Only)

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Your Price: CAD1,169.00
Retail Price:CAD1,200.62

Your Savings:CAD31.62(3%)

Usually ships in 5-7 business days
Part Number:91010-XLT

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Product Highlights

  • 6" (150mm) Schmidt-Cassegrain OTA
  • 1500mm Focal Length, f/10 Focal Ratio
  • StarBright XLT Optical Coating System
  • 25mm Eyepiece and 90° Star Diagonal
  • Internal Focusing Mechanism
  • 6x30 Finderscope with Mounting Bracket
  • Standard CG-5 (Vixen) Dovetail Plate
  • OTA Only; Mount and Tripod Required

Striking a comfortable balance between power and portability, the Celestron C6-A-XLT CG-5 6" f/10 Schmidt-Cassegrain Telescope is an ideal choice for observing objects within or beyond our solar system. It features a Schmidt-Cassegrain optical system consisting of a corrector plate, spherical primary mirror, and secondary mirror that work together to reduce spherical and chromatic aberrations to crisp and clear high-resolution images with accurate color representation with distortion - especially at the edges. Complementing the optical system is the proprietary StarBright XLT optical coating system, which improves light transmission and reflectivity across the entire visual spectrum.

The optical tube is outfitted with a standard 1.25" visual back to make it easier to find eyepieces, accessories, and imaging gear. For visual observations, a 1.25" star diagonal is included along with a 25mm eyepiece that yields 60x magnification. The C6-A-XLT is offered here without a mount or tripod for users who already have a reliable support system and are looking to upgrade or add to their existing gear, but comes with a standard-sized CG-5 dovetail plate that is compatible with Vixen-style saddles.

Optical Tube
  • 6" (150mm) aperture
  • f/10 focal ratio
  • 1500mm effective focal length
  • Schmidt-Cassegrain catadioptric optical design
  • StarBright XLT optical coatings
  • Resolution: 0.93 arcsec (Rayleigh); 0.77 arcsec (Dawes)
  • Secondary mirror obstruction: 2.2" (69mm); 37% by diameter; 14% by area
StarBright XLT System
  • Maximizes light transmission through optical path
  • Improves color rendition, contrast, sharpness, resolution, and brightness
  • Broad-band system provides flat wavelength transmission across the entire visual spectrum
  • Multi-layer mirror coatings with layers of aluminum, SiO2 (quartz), and TiO2 (titanium dioxide)
  • Multi-layer anti-reflective corrector plate coatings with layers of MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide). Hafnium has a wider band-pass than the commonly used titanium
  • High-transmission water white glass corrector plate limits light loss due to internal absorption
Mounting
  • OTA only, mount and tripod required for proper use
  • Standard CG-5 (Vixen-style) dovetail plate for compatible saddles
  • OTA weight: 10 pounds
Included Accessories
    Visual back:
  • Standard SCT threads
  • 1.25" eyepiece/accessory holder
  • Use for prime-focus or projection astrophotography with optional adapters
    Eyepiece:
  • 1.25" diameter barrel
  • Accepts most 1.25" eyepiece filters
  • 25mm focal length yields 60x power
  • 0.83° apparent angle of view
  • 44' field of view at 1000 yards
    Diagonal:
  • 90° angle puts head in comfortable viewing position
  • Threaded for direct connection to OTA without the need for the visual back
  • 1.25" snout and eyepiece/accessory holder
  • Star diagonal corrects image horizontally, but not vertically
    Finderscope:
  • Low 6x magnification preserves wide field of view to more easily find alignment or guide stars
  • 30mm aperture helps to see dimmer objects and stars for easier alignment and star-hopping navigation


Specifications

Optical Design Schmidt-Cassegrain
Aperture 6" / 152.4 mm
Focal Length 1500 mm
Focal Ratio f/10
Eyepiece Barrel Diameter 1.25"
Diagonal 90° star
1.25" snout and eyepiece holder
Finderscope 6 x 30
Tripod None
Mount Type CG-5 dovetail plate
Compatible with Vixen-style saddles
Power Source None
Optical Tube Length 16.0" / 40.6 cm
Weight 10.0 lb / 4.5 kg
Packaging Info
Package Weight 13.2 lb
Box Dimensions (LxWxH) 20.5 x 16.0 x 12.0"

In the Box
Celestron C6-A-XLT CG-5 6" f/10 Schmidt-Cassegrain Telescope (OTA Only)
  • 6x30 Finderscope
  • 1.25" 90° Star Diagonal
  • 1.25" 25mm Plössl Eyepiece
  • Limited 2-Year Warranty

  • * The difference is about 2". The CGE uses a Losmandy "D" compatible dovetail (about 4" wide) and the CG5 uses a Vixen compatible plate (about 2" wide). 

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