In security surveillance, what is the difference between a hemisphere camera, a gun camera and a ball camera?
Hemisphere is generally ceiling installation bolt is installed on the wall, with the infrared lamp, lens size is according to the actual situations and requirements of customers to consider. The ball machine can rotate at 360 degrees. Preset bits can automatically cruise, zoom automatically, focus automatically in the center of the scene, keep the picture clear, or focus manually.
The biggest difference between the ball and the top two is that the ball can be controlled by the control keyboard. It is usually installed in the large hall which needs to be monitored and has large outdoor area. The general bolt and the price of almost half. Cheap point on a few hundred, and the good will be two thousand or three thousand. But the ball will be very expensive, made thousands of good brand, will reach two or three million taiwan.
The main difference is the use of, hemisphere camera is generally used for indoor ceiling, because relatively small, so more beautiful. Gun cameras are typically installed in passages, factories, or parking lots. The advantage is that you can expand the surveillance range by installing telephoto lenses, and the downside is obvious.
Dome Camera generally smaller lens, mostly 3.6-8mm, installed in indoor, ceiling installation, mainly used to monitor the entrance, office areas, etc..Gun type camera lens 3.6-25mm can be installed indoors or installed outdoors, ceiling or wall mounted, mainly used for monitoring corridors, offices, outdoor access.The ball camera is equipped with one machine, which can zoom and rotate at 360 degrees. It can be hoisted, hung and embedded. It is mainly used for monitoring in main places.
