Q:How to find the camera dead ends

Professional is this: from the camera's lowest vertical angle and 45 degrees direction of the corner shot to the ground for the vertex to draw a square to the corner, for most of the camera is within the square of the collection area is invalid, basically applicable to The market of 90 percent of the camera, very few high-value professional equipment, except, even if the square of the two sides can sweep the image of the place has been seriously deformed, there is no legal effect, this has been in court there are numerous cases

Q:What kind of material is needed to install the surveillance camera?

2, calculate the number of cameras, and now the general camera 480TVL SONY CCD price between 270-380. Outdoor 50-80 meters of infrared light irradiation distance is enough, high-power infrared lighting equipment will make a lot better at night. But it was black and white at night.

Q:What is the monitor for the video recorder?

There are four split, nine split, sixteen split, you can display 4,9,16 camera images on one monitor at the same time, or you can send it to the recorder.

Q:Ccd monitor how the camera and computer connection

1. Then buy two video connectors, a video cable, connect the capture card and camera, you can directly insert.

Q:What is the abbreviation for monitoring the OLUX on the camera?

The ambient illumination can be divided into several ranges: ultra low illumination (10-2lx), low illumination (10-1lx ~ 10lx), general illumination (10lx ~ 105lx), high illumination (106lx or more). See Table A.1. Table A.1 Environmental Illumination Range Environmental Illumination lx 2 × 10-5 to 2 × 10-4 7 × 10-4 to 3 × 10-3 3 × 10-2 to 3 × 10-1 5 5 × 102 3 × 103 ~ 105 3 × 104 ~ 105 106 Examples of environmental conditions dark night stars moonlight dawn sunrise / sunset cloudy sunny flame

Q:Wireless micro-surveillance camera how to see what to shoot

First of all to distinguish between which type of wireless micro-surveillance camera, is with memory or no memory.

Q:Monitor the camera's focal length 4 meters good or 8 meters good

Showing the shooting of the smaller the object, looking very far feeling. The larger the number, the shooting angle is small, shooting the display of the object is closer, look bigger.

Q:Monitor how the camera is connected

3. How to use the network cable to monitor the camera to save costs. Twisted pair transmitter generally refers to the use of cable to transmit video equipment, twisted pair transmission using differential transmission principle, the video signal will be converted into the same amplitude, the opposite polarity of the video signal, through the twisted pair transmission, The two ends of the opposite side of the video signal subtraction into a normal video signal, it can effectively suppress common mode interference, even in strong interference environment, its anti-jamming capability is better than coaxial cable, and through the Video signal processing, the transmission of the image signal than the coaxial cable is clear, the same network cable will not interfere with each other.

Q:20 meters away with the number of mm monitor camera lens appropriate?

According to the imaging principle, the smaller the focal length, the wider the field of view, but the distance is not clear. The larger the focal length, the narrower the field of view, but the longer the distance will be clearer.

Q:What are the problems with the surveillance camera?

Wait for you to meet the situation to say it again, I give you answer, you ask the question is like to buy a mobile phone, mobile phone will generally what the same problem. People are so depressed! The The Surveillance cameras, Dongguan Le Pu Electronic Technology Co., Ltd., this is very good!