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;
Versatile Zoom Functionality: 8-24mm zoom eyepiece provides steplessly variable focal length to use different magnifications anywhere between 8 and 24mm; concentrate on using one eyepiece and keep object in view while slowly increasing the magnification
Advanced Aspherical Glass Design: Featuring premium aspherical glass lenses with 6-element fully multi-coated technology; effectively reduces image distortion and aberrations for providing clearer high-contrast and wider view of astronomical picture