Sky-Watcher 1.25" - 2" Focuser Explorer Newtonians
A high quality focuser designed for Newtonian Reflector Telescopes.
Will accept both 1.25" and 2" standard format eyepieces.
Features adjustable tension and locking clamp.
outer diameter of drawtube: 63mm
outer diameter of circular bottom part that surrounds the drawtube: 78 mm (this is important as this will go into the hole on the tube..)
outer size of focuser base plate: 89 x 89mm
distance between screw holes: 72mm