... control, a key to start Primary mirror with optical hinge Electromagnetic Lock Space Location Electric continuous variable stepless ... lifting range of rackEyepiece: 12.5X, wide-angle, with diopter adjustment and stopperMagnification: 5X ~ 25X continuous zoom powerField diameter ... interface, a digital camera interface, 1 / 3 inch CCD camera interface, and dedicated digital cameras, camcorders, video ...