With removable 2 inch adapter both fit for standard 1.25 inch diameter and 2 inch diameter; red laser collimation beam with 7 brightness levels; wavelength 635-655 nm; output power 3.8mW; Complies with Class 3R laser safety standards; can swiftly and precisely collimate Newtonian telescope;
Built with metal material; CR2032 Lithium Cell battery; accurate collimation in a few minutes provide a more clearer image; the telescope can be collimated by just one person;
This adjustment tool can be used in all 1.25 inch focusers; provide with precise instructions in German and English about how to adjust Newtonian telescope using this laser unit; simple to get optimum performance out of telescope;
The telescope adapter has a diameter of 2 inches for insertion in place of a 2 inch telescope eyepiece, allows the camera to be put into standard 2" eyepiece holders
The opposite end of this adapter has a C-Mount "1 inch diameter with 32 threads per inch" standard for all "C" inama photography movie cameras