VY Optoelectronics Co.,Ltd. produce and design kinds of optical lenses, such as infrared lens, imaging lens, industrial lens etc..One of the hottest selling industrial lenses is HOLE INSPECTION LENS, we aim to disign a 360 degrees hole inspection lens which can image at both the inner walls and the bottom of the objects, the shape of the objects can be very different, such as threaded holes, cones, bottle caps, cylinders and so on.
