Like a traffic cop directing cars, a layered stack of transparent materials permits light arriving from only a single direction to pass through. Such angle-sensitive filters could improve cameras and ...
Light waves can be defined by three fundamental characteristics: their color (or wavelength), polarization, and direction. While it has long been possible to selectively filter light according to its ...
Digital Camera World on MSN
Benro wants to make the world's most impressive variable ND filter
Meet Benro NE1: the first-ever ELECTRONIC variable neutral density filter!
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