Orion SkyQuest XT6 Classic Dobsonian vs Sky-Watcher Classic 150P (6-inch Dobsonian): specs compared
Updated 05 September 2026.
152 mm
Sky-Watcher Classic 150P (6-inch Dobsonian) wins on aperture
On aperture, Sky-Watcher Classic 150P (6-inch Dobsonian) leads: 152 mm versus 150 mm.
| Spec | Orion SkyQuest XT6 Classic Dobsonian | Sky-Watcher Classic 150P (6-inch Dobsonian) |
|---|---|---|
| Aperture | 150 mm (5.91 in) | 152 mm (5.98 in) |
| Focal length | 1200 mm | 1200 mm |
| Focal ratio | f/8 | f/7.9 |
| Optical design | Newtonian reflector (parabolic primary) | Newtonian reflector (parabolic primary) |
| Focuser / eyepiece barrel | 1.25 in rack-and-pinion focuser | 2 in Crayford focuser with a 1.25 in adapter |
| Mount | Manual Dobsonian base | Manual Dobsonian base |
| Highest useful magnification (2x aperture rule) | about 300x | about 304x |
Questions and answers
Which has the higher aperture, Orion SkyQuest XT6 Classic Dobsonian or Sky-Watcher Classic 150P (6-inch Dobsonian)?
On aperture, Sky-Watcher Classic 150P (6-inch Dobsonian) leads: 152 mm versus 150 mm.
How do Orion SkyQuest XT6 Classic Dobsonian and Sky-Watcher Classic 150P (6-inch Dobsonian) compare?
On aperture, Sky-Watcher Classic 150P (6-inch Dobsonian) leads: 152 mm versus 150 mm.