IP Camera image blur.

IP Camera image blur.
A surveillance camera video is not very good, basic performance and color reproduction capability, mosaic and more snow, but the image blurring is likely to be the lens is not good focus, especially fixed focal length. Manual focus is recommended. If there is not, on the other better lens. Hemisphere and infrared IP Camera integration in mind the need to open the shell can adjust the lens.
    Monitor the target image is too small, the focal length of the lens is not enough. Proposed to replace the long lens, as previously 6mm lens instead of 8mm or 12mm. But it is worth noting that the greater the focal length of the lens, the smaller the monitor angle and range. The fixed focal length lens is the longest focal length is 25mm, if the image acquisition by the 25mm lens is not large enough (for example, want to see the fourth word of the A4 paper), only for more than 10 times optical zoom camera.
    Third, the lack of clarity may be less effective pixels of image formats, the DVR format Webcams image may choose between a variety of image formats in of D1, HALFD1 and CIF, D1 is the most clear. But the clearest means that the occupied bandwidth and storage space is greater. The network camera megapixels class products in the future appears, the camera will go a long way to enhance clarity.
    Fourth, the IP camera itself, the level of resolution is not enough, 420TVL, 480TVL, 520TVL several general network camera. The larger the value, the higher the resolution. Therefore, if the above three approaches have failed to meet the demand, only increase the number of lines of the camera.

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