Adjustable filter device for a camera
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United States of America Patent
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Jul 4, 2017
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app pub date -
Aug 28, 2014
filing date -
Sep 10, 2013
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Abstract
A filter device for a camera which has an optical path, comprises at least one filter unit which has an actuation device and at least one first filter element and one second filter element. The actuation device has a holding device which can be magnetically coupled to the first and to the second filter element and which can be displaced linearly to bring the filter elements selectively into the optical path of the camera or to move them out of the optical path of the camera.
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