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;
Premium Image Quality: Reducing the brightness of the moon and improving contrast and surface detail; reduces glare and improves definition; this can be useful when viewing the sky in areas where there is a lot of light pollution
More Than Normal Moon Filter: This premium Moon and Skyglow Filter is much higher quality than similar products; a particularly disruptive factor during observation is the illumination of street lights