Dual-Speed 2-inch Low Profile Crayford Focuser for Skywatcher Newtonian Telescopes
DUAL-SPEED 2" LOW PROFILE CRAYFORD FOCUSER
FOR SKYWATCHER NEWTONIAN REFLECTOR TELESCOPES
Supplied by OVL (Optical Vision Ltd, the official Skywatcher distributor in the UK and Western Europe)
A Low Profile CNC machined 10:1 dual-speed focuser designed for Newtonian Reflector telescopes of 9" to 15" aperture, and accepts either 1.25" or 2" eyepieces.
Provides an exceptionally smooth focusing operation with the utmost precision, with the aid of its fine-focusing facility.
24mm indexed drawtube.
Brass compression ring in the 2" eyepiece holder section. The 1.25" eyepiece holder is of screwless construction.
Full optical length of the focuser (from tube surface): appr. 48mm
Hole distances are 86mm and 86mm (or 86 and 80mm measured from the bottom side; difference is due to the curvature)
The diameter of the drawtube is 60mm, so the opening on the tube must be bigger than 60mm.
2-inch dual speed crayford focuser from skywatcher