SVBONY SV105 is a great way to get started with astroimaging;simply point your telescope at the Moon or a planet and record a quick video;and you will get a bright; clear image with the maximum amount of color and detail. Allows you to transmit the real-time view through your telescope to a laptop or PC;and capture great digital movies and images. SVBONY newest 1.25" red laser collimator includes removable 2" adapter;the triple cemented lens to improve the stability of dot; it's designed for accurate collimation of all Newtonian and SCT reflector telescopes. The laser collimator can get better image from the telescope;just insert it into the eyepiece holder;adjust laser beam level; then adjust the telescope screw until the laser beam shoots into the target central. Aluminum alloy frame and optical glass;standard 1.25" filter threads for 1.25" eyepieces and other accessories.