4K 8MP USB Digital Eyepiece 0.5X Lens Electronic Microscope Camera 30mm Adapter
Easy to Use: USB output allows for storage on the computer. Support Drive Free Protocol: USB Video Class (UVC). Image Output: USB 3.0, 5Gbit/s. 0.5X Lens Specification 1 x 0.5X Lens. 2 x Lens Adapters.