New Tech Banishes Camera Noise from Video Soundtracks  reports that zoom and AF-motor noise in video soundtracks could soon become a thing of the past.

A real limitation of movie recording with digital cameras is that motor noise from zoom and autofocus systems is glaringly obvious in video soundtracks. Dedicated camcorders use special motors and sound-deadening in the camera body to eliminate this problem, but they typically have more space to play with than’s available to digicam makers, so such measures are easier to implement. When it comes to cameras with interchangeable lenses, many lenses you might want to use weren’t designed for silent focusing, so you’re more or less stuck unless you shell out for special video-specific lenses.


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