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Geomembrana Home DepotOutdoor Surveillance Camera Supplier & Manufacturer from China
Okorder.com is a professional Outdoor Surveillance Camera 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 Outdoor Surveillance Camera firm in China.Hot Products
FAQ
- 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.
- About installation monitoring, how to monitor the number of meters according to the range and distance?
- Surveillance camera has a network camera gun and analog camera gun. Network camera gun than the analog camera to a little clear, according to the following recommendations to choose the lens can be. Simulated camera gun can be slightly larger distance, about 2%.
- Monitor knowledge! How much Angle camera is best for the 1.2m x 20 m?
- According to my experience, the first lens with 6mm, the second with 3.6 or 4mm lens is better.
- What is the difference between the 2.4mm, 4mm and 6mm camera lens?
- Specific theoretical value you can go to relevant website to check, in my experience to see, 2.4 MM best is to see 2.4 meters far and right area
- Buy surveillance cameras to see which targets
- At present, the sensor of the mainstream surveillance camera adopts the CCD element, which is actually the photoelectric conversion element. Compared with the previous CMOS sensor, CCD sensitivity is from 3 to 10 times that of the CMOS, CCD chip can receive more light signals, converted to electrical signals, after the video processing circuit filter, enlarge formation, video signal output. The stronger the light signal, the bigger the video signal. The video signal is connected to the video input end of the monitor or TV set to see the video image. The basic idea of improving the image is to improve the camera's light-sensitive ability.
- The above position is to use the 6mm to monitor the camera lens or the 8mm lens is suitable
- With 6 mm wide, this distance, with 6 mm is suitable for, 420 line and 480 line is a little difference, 480 is clear, but the definition and the relationship between the host, the largest and protective cover, is better, nanjing ZhiYu technology to do a lot of cases
- Monitor the camera focal length 3.6mm 4mm 6mm. What is the meaning?
- Large number of millimeters of the lens is equivalent to the local zoom, according to the needs of the venue, the size of the number of millimeters of the lens price is the same, there is a picture below you look to understand, hope to adopt
- What is the difference between the zoom lens, the automatic aperture and the manual aperture?
- Zoom lens, the focal length can change the lens, the image can zoom in and out, zoom in and out.
