Sky-watcher Quattro-250p Parabolic Dual-speed Imaging Newtonian Ota by Sky-Watcher
Sky-watcher Quattro-250p Parabolic Dual-speed Imaging Newtonian OtaSky-Watcher Quattro-250P Parabolic Dual-Speed Imaging Newtonian Optical Tube Assembly. The new Sky-Watcher Quattro series with their fast f/4 focal ratios, have been specially designed for high quality astrophotography with short exposure times. They are of course also fine telescopes for visual observations. Their tube interiors have knife-edge ray traced