1Applications: This 0.5X electronic eyepiece is used to connect industrial cameras and microscopes. One end is the camera C interface, and the other end is the 22 microscope eyepiece interface. 20.5 Times Magnification: 0.5x magnification electronic eyepieces ignificantly improves the image field of the microscope camera. 3Non Slip Rubber Ring: The interface has a non slip rubber ring. Can be used with 30MM 30.5MM adapter ring for stereo microscope. 4Easily Controll: Compact with the lens barrel, so that the insertion depth can be easily controlled, closely fit the original hole position with accurate size. 5Aluminum Alloy: Made of aluminum alloy, the 0.5X electronic eyepiece is wear resistant and durable, long service life, perfect match with industrial microscope camera.1 x Electronic Eyepiece