*1.8mm Fisheye lens, 1/2.5" format. About 180 degrees wide angle panoramic viewing. | *It's easy to install and remove without affecting the installation and use of other accessories, after installing, your device will be as good as before. | *Good replacement for your old or broken 1/2.5" Wide Angle Panoramic CCTV camera Lens, and the mount is M12 type. | *Mini lens, small size, with beautiful appearance. It is your cost-effective choice. | *With HD 5.0 pixel high definition image, good color reduction and small distortion. It provides wide and clear vision for your vidicon.