Camera Video Surveillance
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Okorder.com is a professional Camera Video Surveillance supplier & manufacturer, offers integrated one-stop services including real-time quoting and online cargo tracking. We are funded by CNBM Group, a Fortune 500 enterprise and the largest Camera Video Surveillance firm in China.
Monitor the camera lens 1/3/1/4, and so what is the meaning of what relationship with the millimeter
- 1/2 inch - target size is wide 6.4mm * height 4.8mm, diagonal 8mm. 1/3 inch - target size is wide 4.8mm * high 3.6mm, diagonal 6mm. 1/4 inch - target size is wide 3.2mm * height 2.4mm, diagonal 4mm.s
The monitoring camera has 3.6 mm and 3.2 mm. What is the difference?
- See range is different, 3.6 MM to look wide a fews
The accurate calculation formula of the focal length and the actual distance of the lens are monitored
- Imaging scene imaging with the size of the display size of the object is contradictory, for example, with a camera to monitor the same parking lot, can choose short focal length lens to monitor the panoramic view of the parking lot vehicle pass in and out of the outside and see the entrances and exits, but could not see the car's license plate number (the car on the monitor screen only occupies a small area);s
Hello, how about the camera lens
- Debugging of clarity, if you can't turn the camera to the control room, will be looked at, there is a person in the control room by radio or telephone command, the debugging is rotating lens, is very simple.s
What does it mean to monitor a camera with 4mm on its head
- 4MM refers to this camera lens is 4MM!s
Monitoring probe 3.6,6,8 mm lens and other functions, such as effective distance, visual range and so on
- The proportion of the lens in the cost of the camera is about 20%, is an important part of the camera. And the camera from the high-end to the low end of the complete product chain corresponds to the CCTV lens also formed from the upscale to mid-range to low-end complete product chain, the price from tens of dollars to several hundred dollars, a few hundred dollars to a few thousand dollars Should be comprehensive. Profit level is also very different, commonly used single board machine lens, the profit is very low; the higher the technical content, the more advanced the function of the lens, the greater the profits.s
Monitor the wall of the lens, not the reason of the image analysis
- If the cable is plugged into the switch, the switch will be switched on or off.s
Monitor the camera on the tw is what the meaning of how to set up
- T for telephoto, English Telephoto. In other words, the more the direction of the twist to W, the shorter the focal length of the lens, you can see a larger range, but things accounted for smaller.s
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