Sky-Watcher Classic 150P (6-inch Dobsonian) vs Sky-Watcher Classic 200P (8-inch Dobsonian): 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 152 mm.

SpecSky-Watcher Classic 150P (6-inch Dobsonian)Sky-Watcher Classic 200P (8-inch Dobsonian)
Aperture152 mm (5.98 in)203 mm (7.99 in)
Focal length1200 mm1200 mm
Focal ratiof/7.9f/5.9
Optical designNewtonian reflector (parabolic primary)Newtonian reflector (parabolic primary)
Focuser / eyepiece barrel2 in Crayford focuser with a 1.25 in adapter2 in Crayford focuser with a 1.25 in adapter
MountManual Dobsonian baseManual Dobsonian base
Highest useful magnification (2x aperture rule)about 304xabout 406x

Questions and answers

Which has the higher aperture, Sky-Watcher Classic 150P (6-inch Dobsonian) or Sky-Watcher Classic 200P (8-inch Dobsonian)?

On aperture, Sky-Watcher Classic 200P (8-inch Dobsonian) leads: 203 mm versus 152 mm.

How do Sky-Watcher Classic 150P (6-inch Dobsonian) and Sky-Watcher Classic 200P (8-inch Dobsonian) compare?

On aperture, Sky-Watcher Classic 200P (8-inch Dobsonian) leads: 203 mm versus 152 mm.

Compared here