Camera field-of-view (FOV) is the portion of the observable world at any given time through the camera when there is no zoom is applied. It is an important concept because it defines the boundary of the imaged area. Outside of the FOV cannot be seen by the camera, therefore it is crucial to know the boundaries, especially while installing those cameras in conference rooms. With the help of line lasers placed on the video conferencing device, installers can place the devices based on the FOV guides created by the line lasers.
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INC, HP, "Line lasers for Field-of-view (FOV) guides", Technical Disclosure Commons, (June 08, 2023)