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The dome housing makes it difficult for onlookers to see exactly where the lens is pointing, acting as a psychological deterrent. 2. Fixed Bullet Cameras
A (or networkcamera with a fixed lens) is an IP-based surveillance device with a non-adjustable focal length. Unlike varifocal lenses (which allow manual zoom during installation) or PTZ (which allow remote movement), a fixed camera sees exactly what the lens dictates from day one. To help you find the exact equipment or
You purchased the wrong focal length. For indoor rooms under 20 sq meters, use 2.8mm. For outdoor parking lots, use 4mm. For a fixed camera, you cannot zoom out. You must physically swap the lens (if it has a replaceable M12 or CS mount) or replace the unit.
You have two primary options for storing video footage: Unlike varifocal lenses (which allow manual zoom during
A is a digital video camera that captures, processes, and transmits video data directly over an IP network (local network or the internet). Unlike analog cameras that require a direct, dedicated connection to a digital video recorder (DVR), network cameras function as independent network nodes. Key features of network cameras include:
Selecting the appropriate fixed network camera involves carefully matching its technical specifications to your surveillance needs. For outdoor parking lots, use 4mm
Fixed cameras require minimal maintenance, making them ideal for high or hard-to-reach locations. Common Applications for Fixed Network Cameras
Characterized by their distinct cylindrical, rifle-bullet shape. They act as a highly visible visual deterrent against crime and often feature integrated long-range infrared (IR) illuminators for night vision. 2. Fixed Dome Cameras
If using a fixed box camera (not a bullet/bullet), you must physically adjust the back focus. Point the camera at an object 15 meters away. Loosen the set screw, rotate the lens until sharp, lock it. If you skip this, your network camera will output soft video forever.
This allows the camera to receive both data and power through a single cable, simplifying installation and reducing wiring costs. Deployment Scenarios: Where Fixed Cameras Shine Retail and Loss Prevention