Celestron's signature 6" Schmidt-Cassegrain optical tube is now sold separately, so it's ready to pair with your favorite telescope mount. The expert in Schmidt-Cassegrain production for more than 50 years, Celestron has perfected the design in this portable, grab-and-go tube that packs impressive light gathering ability.
Inside the lightweight aluminum tube, you'll find that all optical components are coated with StarBright XLT coatings. This unique coating formula allows more light to pass through the system while minimizing internal reflections. That means you'll be able to resolve greater detail in celestial objects and capture better images when used for astrophotography. Take this tube out to your favorite dark sky location and enjoy breathtaking views of galaxies, star clusters, nebulae, solar system objects, and more.
Experience for yourself why the Celestron Schmidt-Cassegrain has been the gold standard in the amateur astronomy market for decades with this handy 6" optical tube.
Available for shipment to the USA and Canada only.
Dimensions & Specifications
Highest Useful Magnification
Objective Lens Size Code
Viewing the Moon
Viewing the Planets
Viewing Galaxies/Star Clusters
1.25 diagonal prism
Celestron Optical Tubes
For the Expert
StarBright XLT Optical Coating
We stand behind all the products we sell, and your satisfaction is our top priority. If you're not satisfied with the quality of your purchase, simply send the item back to us in its original packaging within 30 days of its delivery.
Celestron has a limited lifetime binocular and spotting scope warranty and all other products have a 2 year manufacturer's warranty covers against defects is provided. If you have specific questions about this product's warranty please contact Celestron's Customer Service department at 310-328-9560.
Return & Exchange Policy
At our site, returns are easy! You may return new, unused, and resalable items for a refund or exchange. Simply ensure that the item is returned in its original product packaging within 30 days of delivery.
Q1: How is the C6-A Optical Tube assembly mounted to a tripod?
A: The C6-A Optical Tube is mounted to a tripod with a standard dovetail mounting bar.