What is PTZ camera stand for?
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What is PTZ camera stand for?
Pan-tilt-zoom (PTZ) cameras are built with mechanical parts that allow them to swivel left to right, tilt up and down, and zoom in and out of a scene. Electronic pan-tilt-zoom (ePTZ) security cameras do not physically move, but use digital zoom to give the pan-tilt-zoom effect on a fixed camera.
How a PTZ camera works?
How PTZ Cameras Work. PTZ cameras come with mechanical parts, which allow the camera and the lens to move. Together, panning and tilting allow the camera to see action happening behind or next to it. Depending on the model, cameras can move anywhere between zero pan/tilt and the full 360 degree pan/180 degree tilt.
What is a PoE camera?
A power over Ethernet (PoE) camera is much like a traditional security camera. PoE technology is used to transmit both data as well as power through a single cable. IP cameras equipped with PoE technology can send video records to the network while receiving power from the same PoE switch.
Can we zoom CCTV camera?
You can zoom in while your camera is recording a video, but the camera itself does not move around. You will be limited to where you have pointed the camera. You can adjust cameras with motorized optical zoom via the on-screen controls on your NVR or app.
What is a Pppoe camera?
PoE IP cameras, namely Power over Ethernet cameras, refers to the ones that get power and transmit videos through a single Ethernet cable (Cat 5, Cat 5e, Cat 6, etc) with no extra power adapter needed, eliminating tangled cords and simplifying cabling around the house.
What is the optical range of CCTV camera?
Unfortunately no one every quotes it, they only quote the IR range. The optical range has nothing to do with how many TVL the camera has or how bright the IR is, it all depends on what lens is fitted….
| 2.8mm lens | 1.5 metres |
|---|---|
| 6mm lens | 5 metres |
| 9mm lens | 6 metres |
| 12mm lens | 7 metres |
| 22mm lens | 12 metres |
What is a PoE CCTV camera?
What is a PoE injector?
A PoE injector connects your PoE-enabled network device to a non-PoE LAN switch port. Using a PoE injector avoids the need to run AC power lines for your wireless access point, network camera or IP phone, because you use the existing LAN cabling to deliver both DC power as well as data. …
What is DVR in CCTV camera?
DVR stands for Digital Video Recorders. They allow you to record security footage that your CCTV security camera captures, allowing you to watch it back when you need to.