Sky-watcher Explorer-300pds Parabolic Dual-speed Newtonian Reflector Ota by Sky-Watcher
Sky-watcher Explorer-300pds Parabolic Dual-speed Newtonian Reflector OtaSky-Watcher Explorer-300PDS 305mm (12″”) f1500 Parabolic Dual-Speed Newtonian Reflector Optical Tube Assembly. The new Sky-Watcher EXPLORER-300PDS Newtonian Reflector incorporates the same superb mirror-set as the Explorer-300P but with two significant advantages. A Dual-Speed 10:1 ratio focuser is now included for excellent focusing precision. Also the tube length has been