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Celestron 6" Schmidt-Cassegrain OTA with CG-5 Mount Plate

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  • $599.99
  • Regular price $649.95

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  • 6 Inch Schmidt-Cassegrain OTA
  • Light Aluminum Tube
  • StarBright XLT Optical Coatings
  • Allows for 1.25 Inch Accessories
  • Includes Finder, Diagonal, and Eyepiece



Celestron 6" Schmidt-Cassegrain OTA with CG-5 Mount Plate

The Celestron C6-A-XLT Schmidt-Cassegrain Optical Tube Assembly (OTA) with an aperture of 152 mm (6 Inch) is available individually to be used with your favorite mount. Each OTA is made to the same exacting standards as those used on all their high-quality telescopes. All optical surfaces are coated with StarBright XLT coatings. These tube assemblies are equipped with the same dovetail mounting bar as used on the CG-5 series for easy attachment to a variety of popular mounts (see below). 

The Celestron C6 Schmidt-Cassegrain features a precision optical system with 1500 mm focal length (f/10) and offers 40 percent more light gathering than a 5 Inch telescope and are standard with Celestron's StarBright XLT coatings at no extra cost.

What's more- you have Celestron's guarantee of uncompromising quality backed-up with a Two Year warranty. Celestron warrants your telescope to be free from defects in materials and workmanship for two years. Celestron will repair or replace such product or part thereof which, upon inspection by Celestron, is found to be defective in materials or workmanship.



Celestron C6-A SCT Optical Tube Features:

  • 6" Schmidt-Cassegrain, 1500 mm focal length (f/10) Aluminum Optical Tube 
  • Celestron premium StarBright XLT coatings 
  • Included With The Celestron C6-A Optical Tube is a CG5 compatiable dovetail bar for easy mounting 
  • The Celestron C6-A optical tube comes with a Celestron star diagonal and a 6x30 finder scope 
  • Celestron C6-A optical tube comes with a Celestron 2 year warranty


Celestron C6-A SCT Optical Tube Specifications:

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



    OPT Product Number: CE-91010-XLT

    Please Note: This optical tube assembly will fit on the Celestron CG-5 and Advanced VX mount as well as the Meade LXD55/75, the older style Losmandy GM-8, and some Vixens. It will not attach to mounts that accept a 3 Inch dovetail, such as the CGE, G-11, Paramount, or newer GM-8. If you are unsure, please give us a call before you buy.

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    Aperture150 mm (6")
    Camera/Eyepiece Connection24 tpi
    Dawes Limit0.77 arcseconds
    Focal Length1500 mm
    Focal Ratiof/10
    Free ShippingYes
    Hightest Magnification300x
    Light Gathering Power459x
    Limiting Magnitude14.6
    Optical DesignSCT
    Secondary Obstruction45mm
    Tube Diameter226mm
    Tube Length406mm


    • 150 mm (6 Inch) Schmidt-Cassegrain OTA
    • 6x30 Optical Finder
    • 1.25 Inch Star Diagonal
    • 1.25 Inch Eyepiece/ 25mm, 60x mag.
    • Dovetail Rail for CG-5 Advanced Series mounts
    • 2 Year Warranty