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 less than 5mw; can swiftly and precisely collimate Newtonian telescope;
Built with metal material; CR2032 Lithium Cell battery Not include; 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;
A built-in red LED illumination provides unobtrusive and dimmable and easily seen lighting for the crosshairs; illuminated double cross-hairs for quick and accurate location of objects;
The achromatic optics provide a bright; true to life image at 9x magnification; the optical surfaces have been multi coated to prevent irritating reflections;
