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
Made of genuine optically processed BK7 glass; premium optical prism inside rather than mirror which makes image clear and sharp; amici prism looks as beautiful as binoculars; but you can zoom in much higher with your eyepieces
With this 90 degree erecting prism transform telescope into telescope for nature observation with upright and left right corrected image; good for daytime terrestrial use and night time astronomy applications for telescopes or spotting scopes
Comfortable observation with 90 degree: Look pleasantly from above into your eyepiece; filter thread for any 1.25 inch filter and accepts standard 1.25 inch eyepieces