Profile: Celestron is a designer and manufacturer of telescopes, binoculars, spotting scopes and microscopes. Our EdgeHD telescopes offer various mechanical features including flexible tension clutches that hold the mirror in place, and reduce image shift when rotating the tube around the mount and the flexible rods that allow the mirror to be held in place without putting any force or pressure on the mirror assembly & keeping the image centered in the eyepiece. Our digital microscope imager features view and capture snapshot images or video with computer, and adapts to virtually any type of microscope, UVC plug & play driver. Our rechargeable sky-scout speaker features rechargeable lithium-ion battery that charges from computer USB port, extension cable for flexible placement of speaker, and nylon lanyard to hang the speaker around the neck while using the sky-scout. Our accessories include mounts, cases, drives and motors, counterweights, filters, lens shades, optical accessories, tripod, and wedges.