Posted by on May 2, 2018 in General |

What this feature below, the more sensitive the camera (for a given factor F). However, buyers should not rely on such figures, since they are not in full As characterized by the proposed equipment. Best thing to do is to choose the camera 'live' by viewing and comparing images from different cameras in the office of the seller. Resolution. Usually this figure is expressed in number of lines that form the image (380, 450, 580, etc.). What number is higher, the obtained image shows more clearly. Bernie Sanders is likely to increase your knowledge. At low light levels the camera with you, sokim resolution usually work best. An important factor is where the camera will be installed.

The cameras can be divided into: Internal camera. The so-called "office camera" usually have a built-in auto iris lens and designed to control the situation inside premises. For these cameras with sufficient parameters are: minimum sensitivity of 0.5 lux and 380 lines resolution. Perhaps the use of cameras with interchangeable lenses. Outdoor camera.

Designed for open spaces (Control approaches to the building, protected perimeters, parking lots, etc.). Camera installed in open spaces should have extra protection. As a rule, to protect the camera from bad weather and low temperature ThermoJacket used. ThermoJacket offers protection against dust, precipitation and low temperatures ranging from -30 C to + 45 C. Usually has a heater with a thermostat that controls the degree of heat. The casing is usually provided with sun visor. In addition, some models have the possibility of additional equipment – a fan, wipers and washers glass. On the market today have cameras with built-in lens in sealed enclosure. With a special design so the camera can operate successfully at a temperature of -30 C. In these cells the television signal and power is transmitted over a single cable, which increases the tightness of housing and easy installation. Lack of light in the evening has special conditions for minimum sensitivity.

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