Celestron C6 optical tube vs Celestron NexStar 6SE: specs compared
Updated 05 September 2026.
2
specs differ
Celestron C6 optical tube and Celestron NexStar 6SE differ on 2 specs: focuser / eyepiece barrel, mount.
| Spec | Celestron C6 optical tube | Celestron NexStar 6SE |
|---|---|---|
| Aperture | 150 mm (5.91 in) | 150 mm (5.91 in) |
| Focal length | 1500 mm | 1500 mm |
| Focal ratio | f/10 | f/10 |
| Optical design | Schmidt-Cassegrain | Schmidt-Cassegrain |
| Focuser / eyepiece barrel | 1.25 in visual back (SCT rear cell) | 1.25 in visual back (SCT rear cell); a 2 in diagonal fits with an SCT-to-2 in adapter |
| Mount | Optical tube only (CG-5 / Vixen dovetail), no mount supplied | Computerized single-fork altazimuth (GoTo) |
| Highest useful magnification (published) | 354x | 354x |
| Optical tube weight | 10 lb | 10 lb |
Questions and answers
How do Celestron C6 optical tube and Celestron NexStar 6SE compare?
Celestron C6 optical tube and Celestron NexStar 6SE differ on 2 specs: focuser / eyepiece barrel, mount.