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neutral density

British  

noun

    1. black, white, or a shade of grey; a colourless tone

    2. ( as modifier )

      a neutral-density filter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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I have an assortment of neutral density filters because I had previously photographed an annular eclipse, when the moon is farther away in its Earth orbit and therefore doesn’t block the entirety of the sun.

From Seattle Times • Apr. 14, 2024

If you’re filming video or shooting wide-aperture photos with a system camera in bright light, a variable neutral density filter can be a huge asset.

From The Verge • Nov. 23, 2021

For example, neutral density photographic filters are not safe because they transmit infrared radiation that can cause severe damage to the retina.

From Textbooks • Oct. 13, 2016

In addition, five levels of neutral density filters are available for shooting in bright conditions.

From Time Magazine Archive