This refers to the ability of a PTZ camera to sense movement in the image and follow the movement wherever it goes. The actual intelligence for the function can be in the dome or in the DVR. The advantage is that you can follow the movement of an individual anywhere within the range of the camera. This comes under the heading of video analytics.
Auto Iris automatically adjusts the camera lens to adapt to lighting changes. Itās critical in outdoor cameras where brightness varies throughout the day.