Sky-Watcher Classic 200P (8-inch Dobsonian) vs Sky-Watcher Evostar 120: specs compared
Updated 05 September 2026.
203 mm
Sky-Watcher Classic 200P (8-inch Dobsonian) wins on aperture
On aperture, Sky-Watcher Classic 200P (8-inch Dobsonian) leads: 203 mm versus 120 mm.
| Spec | Sky-Watcher Classic 200P (8-inch Dobsonian) | Sky-Watcher Evostar 120 |
|---|---|---|
| Aperture | 203 mm (7.99 in) | 120 mm (4.72 in) |
| Focal length | 1200 mm | 1000 mm |
| Focal ratio | f/5.9 | f/8.3 |
| Optical design | Newtonian reflector (parabolic primary) | Achromatic refractor |
| Focuser / eyepiece barrel | 2 in Crayford focuser with a 1.25 in adapter | 2 in dual-speed Crayford focuser with a 1.25 in adapter |
| Mount | Manual Dobsonian base | Optical tube (Vixen dovetail), no mount supplied |
| Highest useful magnification (2x aperture rule) | about 406x | |
| Highest useful magnification (published) | 283x |
Questions and answers
Which has the higher aperture, Sky-Watcher Classic 200P (8-inch Dobsonian) or Sky-Watcher Evostar 120?
On aperture, Sky-Watcher Classic 200P (8-inch Dobsonian) leads: 203 mm versus 120 mm.
How do Sky-Watcher Classic 200P (8-inch Dobsonian) and Sky-Watcher Evostar 120 compare?
On aperture, Sky-Watcher Classic 200P (8-inch Dobsonian) leads: 203 mm versus 120 mm.