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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
- What is the meaning of monitoring the camera mm?
- 10mm or so focal length, is a wide-angle focal lengths. Mainly for landscape photography, documentary photography, according to the angle of view is very large, very shocking about 24mm focal lengths, is a small wide-angle, mainly for landscape photography, documentary photography, travel commemorative photo with this focal length of about 50mm The focal length is about the standard focal length, which is mainly used for landscape photography, portrait photography, documentary photography and so on. It is the focal length. The focal length is mainly used for the portrait, still life and so on. Focal length, the focal length is often used to capture, close-up and so on about the focal length of about 500mm, is a long focal length, the focal length has been able to shoot birds and other superfluous 500mm super telephoto, birds more convenient, Super telephoto is often used in sports photography
- How to buy surveillance camera?
- Generally, the Angle of 3.6 mm lens can reach 75 degrees. The infrared distance of the face can be seen from about 0 to 5 meters.
- What are the monitoring lenses?
- Lens by focal length, can be divided into: standard lens, wide-angle lens, fisheye lens, long focal length lens, reflective telescope lens, macro lens.
- How do you fix the damage
- 3. Distortion or geometric distortion of the image: check whether the optical lens is abnormal; Whether the output impedance switch of the monitor is set at the 75 o terminal; Check whether the use of video connected cable impedance is 75 euro.
- What's the difference between the monitor camera and the C/CS interface? It's a 17.5 mm, and a 12.5 mm
- W, T is close focus and far focus. F, N is the focus. O, C is on the aperture switch diagram, which is the adapter ring, and the camera image is basically invisible
- About installation monitoring, how to monitor the number of meters according to the range and distance?
- Third, single-lens monitoring is simple, and more get a lens can be improved, and now 2IT's hard drive also has a large capacity of the hard disk for large-capacity information to create the conditions.
- Monitor frequent lens initialization
- The monitoring system is one of the most widely used systems in the system. Now, the more suitable site monitoring system is the handheld video communication equipment, and video monitoring is the mainstream.
- How does the camera lens's focal length choose?
- 4, in the city for security monitoring camera lens, due to monitoring the distance and the environment is different from the basic configuration of 10mm to 120mm or so long-range zoom lens can be.
