HIKVISION DS-7600NI-12 Series User Manual page 61

Network Video Recorder User Manual
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Fisheye: In the Fisheye mode, the whole wide-angle view of the fisheye camera is displayed. This
view mode is called Fisheye View because it approximates the vision of a fish's convex eye. The lens
produces curvilinear images of a large area, while distorting the perspective and angles of objects in the
image.
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