Sky-Watcher Skymax 127 vs Sky-Watcher Skymax 150: specs compared
Updated 05 September 2026.
150 mm
Sky-Watcher Skymax 150 wins on aperture
On aperture, Sky-Watcher Skymax 150 leads: 150 mm versus 127 mm.
| Spec | Sky-Watcher Skymax 127 | Sky-Watcher Skymax 150 |
|---|---|---|
| Aperture | 127 mm (5 in) | 150 mm (5.91 in) |
| Focal length | 1540 mm | 1800 mm |
| Focal ratio | f/12.1 | f/12 |
| Optical design | Maksutov-Cassegrain | Maksutov-Cassegrain |
| Focuser / eyepiece barrel | supplied with a 2 in diagonal and a 1.25 in adapter; rear thread accepts 1.25 in or 2 in visual backs | supplied with a 2 in diagonal and a 1.25 in adapter; rear thread accepts 1.25 in or 2 in visual backs |
| Mount | Optical tube (V-style dovetail), sold as OTA or on the AZ-GTi | Optical tube (V-style dovetail), no mount supplied |
| Highest useful magnification (2x aperture rule) | about 254x | about 300x |
Questions and answers
Which has the higher aperture, Sky-Watcher Skymax 127 or Sky-Watcher Skymax 150?
On aperture, Sky-Watcher Skymax 150 leads: 150 mm versus 127 mm.
How do Sky-Watcher Skymax 127 and Sky-Watcher Skymax 150 compare?
On aperture, Sky-Watcher Skymax 150 leads: 150 mm versus 127 mm.