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Celestron C14-AF XLT (CGE) Optical Tube Assembly
Celestron C14-AF XLT (CGE) Optical Tube Assembly

Celestron C14-AF XLT (CGE) Optical Tube Assembly

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Your Price: CAD9,099.00
Retail Price:CAD9,315.02

Your Savings:CAD216.02(2%)

Usually ships in 7-10 business days
Part Number:91038-XLT

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Product Highlights

  • 14" Schmidt-Cassegrain OTA
  • 3910mm focal length, f/11 Focal Ratio
  • StarBright XLT Optical Coatings
  • 40mm 1.25" Eyepiece, Reducer Adapter
  • 2" Visual Back and 90° Diagonal
  • 9x50 Finderscope
  • CGE (Losmandy) Dovetail Plate
  • OTA Only; Mount and Tripod Required

Outfitted with an oversized aperture, long effective focal length, and their proprietary StarBright XLT optical coatings, the Celestron C14-AF XLT 14" f/11 Schmidt-Cassegrain Telescope provides high power and portability. The coating system consists of anti-reflection coatings on the corrector plate, highly reflective index mirror coatings, and low-absorption/high-transmission glass components to ensure that the maximum amount of light is gathered and transmitted to the user's eye. This system ensures bright and clear high-contrast images with accurate color rendition across the entire visual spectrum without visible distortion at the edges. Celestron includes a standard-thread 2" visual back and reducer adapter to accept eyepieces and accessories such as the 1.25" 40mm eyepiece and 2" 90° diagonal supplied with the optical tube assembly (OTA). This OTA is offered here without a mount or tripod for users who already have a support system. Just ensure the mount's payload capacity exceeds 45 pounds to safely carry the weight, and has a Losmandy-style saddle to match the OTA's CGE mounting plate.

Optical Tube
  • 14" (355.6mm) aperture
  • f/11 focal ratio
  • 3910mm effective focal length
  • Schmidt-Cassegrain design optical path
  • StarBright XLT optical coatings
  • Resolution: 0.39 arcsec (Rayleigh); 0.33 arcsec (Dawes)
  • Secondary mirror obstruction: 4.5" (114 mm); 32% by diameter; 10% 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
  • Optical tube only - Mount and tripod required for proper use
  • Supplied with CGE dovetail plate, which is compatible with Losmandy-style saddles
  • Mount must have a payload capacity of over 45 pounds to safely support the OTA
Included Accessories
  • Visual back:
  • Standard threads for SCT optical tubes
  • 2" holder accepts 2" eyepieces and accessories
  • Eyepiece:
  • 1.25" diameter barrel
  • Accepts most 1.25" astronomical filters
  • 40mm focal length produces 98x magnification
  • Diagonal:
  • 2" diameter barrel
  • 90° angle places head in comfortable viewing position when scope is aimed at or near the zenith
  • Star diagonal corrects view horizontally, but not vertically
  • Includes 2"-to-1.25" reducer adapter to allow use of smaller 1.25" eyepieces and accessories
  • Finderscope:
  • 9x magnification
  • 50mm aperture
  • Mounting bracket included


Optical Design Schmidt-Cassegrain
Aperture 14" / 356mm
Focal Length 3910 mm
Focal Ratio f/11
Eyepiece Barrel Diameter 2"
1.25" with included reducer adapter
Diagonal 90° star
2" barrel
Finderscope 9x50 mm
Tripod None
Mount Type CGE dovetail plate
Power Source None
Optical Tube Length 31.0" / 78.7 cm
Weight 45.0 lbs / 20.4 kg
In the Box
Celestron C14-AF XLT 14" f/11 Schmidt-Cassegrain Telescope (OTA Only, CGE Dovetail)
  • 40mm Eyepiece
  • 2" 90° Diagonal
  • 2-1.25" Reducer Adapter
  • SCT Visual Back
  • 9x50mm Finderscope
  • Universal Mounting Plate, CGE
  • 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). 

    Based on Astronomy magazine’s telescope "report cards", scopes of this size and type generally perform as follows . . .

    Terrestrial Observation:No
    Lunar Observation:Very Good
    Planetary Observation:Very Good
    Binary and Star Cluster Observation:Very Good
    Galaxy and Nebula Observation:Very Good
    Terrestrial Photography:No
    Lunar Photography:Yes
    Planetary Photography:Yes
    Star Cluster / Nebula / Galaxy Photography:Yes

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