OTA Orion StarBlast 6 Orion Telescopes & Binoculars · StarBlast 6 Key specifications Aperture150 mm Focal length750 mm Focal ratiof/5 Optical designNewtonian Weight10.9 kg All specifications Focuser type2" Crayford About 6-inch f/5 wide-field Newtonian on a tabletop Dobsonian base.
