What is 2.8~12mm Motorized 4X Optical Zoom Len? You can control the angle of view of the camera from NVR or a computer or smartphone or tablet. Once the camera is mounted and set it in the direction you d like it to look at you can control the zoom at the touch of a button without having to climb up to the camera and change the lens setting. At the widest setting of 2.8mm you can expect to have a 115 degree view. When you are zoomed in all the way at the 12mm zoom length you will get a 22 degree view and be able to view up to 120ft IR distance. New Technology—H.265 Video Compression—Double Recording Time H.265 is the latest video compression standard which provide enhanced image quality that is enabled through the state-of-the-art compression algorithm. Compared with the H.264 H.265 heightened rate shrinks the data-heavy files so that you enjoy smoother video increased storage space and extended recording time by 55% – 65% using the same hard drive.