Celestron
Celestron 11" Schmidt-Cassegrain CGX Telescope
Best price $4999 · 279mm aperture · $/mm 17.89
$4999 on Amazon ↗At $17.89 per mm of aperture, this is dearer per millimetre than the typical catadioptric at $14.27/mm — you're paying for something other than raw aperture.
Specs
| Aperture | 279 mm |
|---|---|
| Focal length | 2800 mm |
| Focal ratio | f/10.0 |
| Type | Catadioptric |
| Mount | GoTo |
| Resolving power | 0.42″ (Dawes limit) |
| Limiting magnitude | 14.7 |
| Max useful magnification | 558x |
| Light gathering | 1593x the naked eye |
| Optical design | SCT |
| Highest magnification | 558.8x |
| Dawes limit | 0.42 arcseconds |
| Tube length | 610mm |
| Tube weight | 27.5 lbs |
| Eyepiece fitting | 3.29”x16 tpi |
| Warranty | 2 Year Warranty |
| Best for | Astrophotography, Visual, Planetary |
Resolving power, limiting magnitude, maximum useful magnification and light grasp are derived from the aperture — the standard formulas, not marketing claims.
Compare
Celestron CPC Deluxe 1100 HD Telescope
Celestron CGX 700 Maksutov Cassegrain Telescope
Celestron 9.25" EdgeHD Advanced VX Telescope - CE-12033
Closest alternatives by price in the same class. Head-to-head pages exist where people actually search for the comparison.