mirror lens

British

noun

photog a lens of long focal length in which some of the lens elements are replaced by mirrors in order to shorten its overall length and reduce its weight

"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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Additionally, you can use the dials to apply various lens options and filters, ranging from retro to monochrome shades, as well as a mirror lens, vignette, soft focus, and more.

From The Verge • Jun. 25, 2022

It was like a tour through the uniform clichés of FiDi filtered through a black mirror lens, so elegance cozied up with absurdity in pretty much equal measure.

From New York Times • May 23, 2022

Upon this mirror lens is reflected the surrounding surface of the ocean.

From The Boy Allies under Two Flags by Hayes, Clair W. (Clair Wallace)

At the upper end of the shaft is a mirror lens.

From The Boy Allies under Two Flags by Hayes, Clair W. (Clair Wallace)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023