With very-low-light capability, a few specific models of webcams are very popular to photograph the night sky by astronomers and astro photographers.Mostly, these are manual-focus cameras and contain an old CCD array instead of comparatively newer CMOS array.

Webcam dating couple-27

Other popular uses include security surveillance, computer vision, video broadcasting, and for recording social videos.

The video streams provided by webcams can be used for a number of purposes, each using appropriate software: Most modern webcams are capable of capturing arterial pulse rate by the use of a simple algorithmic trick.

This can be applied to games, providing additional control, improved interactivity and immersiveness.

Free Track is a free webcam motion-tracking application for Microsoft Windows that can track a special head-mounted model in up to six degrees of freedom and output data to mouse, keyboard, joystick and Free Track-supported games.

The term "webcam" (a clipped compound) may also be used in its original sense of a video camera connected to the Web continuously for an indefinite time, rather than for a particular session, generally supplying a view for anyone who visits its web page over the Internet.

Some of them, for example, those used as online traffic cameras, are expensive, rugged professional video cameras.

For a more complete list see Comparison of webcam software.

Special software can use the video stream from a webcam to assist or enhance a user's control of applications and games.

The lenses of the cameras are removed and then these are attached to telescopes to record images, video, still, or both.