: a piece of transparent material (such as glass) that has two opposite regular surfaces either both curved or one curved and the other plane and that is used either singly or combined in an optical instrument for forming an image by focusing rays of light
Make sure the lens of the microscope is clean.
Recent Examples on the Web
Just pull up the lens to activate the focus designed specifically for close-ups.—Medea Giordano, WIRED, 21 Nov. 2023 Khalidi places the policies of Palestinian, Zionist and American leaders under an uncompromising lens.—Boris Kachka, Los Angeles Times, 21 Nov. 2023 Massoud, like a number of chefs across the country, takes Thanksgiving as an opportunity to reinterpret the traditional feast through his own lens.—Carly Westerfield, Bon Appétit, 20 Nov. 2023 The former book never stops insisting that its pinhole aperture is a wide-screen lens.—Jessica Winter, The New Yorker, 20 Nov. 2023 Hamilton talks about his first experiences with a camera, the cross-country hitchhiking trip that cemented his love with the lens and his early days at the rock magazine petri dish that was Crawdaddy.—Daniel Fienberg, The Hollywood Reporter, 13 Nov. 2023 Marketing the security proposition requires empathy, understanding and an ability to see the world through the business lens, expressed in their terms.—Steve Durbin, Forbes, 13 Nov. 2023 Darby, our lens into this rarefied world, learned a lot about dead bodies from her father (Neal Huff), a forensic pathologist, and spent her youth collaborating with like-minded detectives on Reddit and other forums trying to identify Jane Does that seem like homicides.—Lili Loofbourow, Washington Post, 13 Nov. 2023 But Smith looks at the digital media brands through the lens of the people who founded them, in particular Gawker’s Nick Denton and HuffPost and BuzzFeed’s Jonah Peretti.—Alex Weprin, The Hollywood Reporter, 10 Nov. 2023
Structured as a six-episode, one-hour drama, the series is scheduled to lens in English by 2025.—Emiliano De Pablos, Variety, 6 Oct. 2023 With his growing reputation, Sandgren was chosen by Gus Van Sant to lens his Promised Land.—Angela Dawson, Forbes, 5 Oct. 2021 Kusijanović tapped cinematographer Hélène Louvart (The Lost Daughter, Never Rarely Sometimes Always) to lens her story.—Hilton Dresden, The Hollywood Reporter, 14 Feb. 2023 The many bits of space junk orbiting Earth, from foil scraps to lens caps to chunks of frozen urine, can damage satellites and spacecraft, which is why researchers have long sought methods to remove debris from orbit.—Patrick Morgan, Discover Magazine, 12 Apr. 2011 Optical stabilization moves lens elements to compensate for any motion, a useful feature for getting sharper handheld photos.—PCMAG, 9 Dec. 2022 Spain, which could be interpreted as reference to another hike in the rebate cap for international shoots, currently at €10 million ($10.3 million) on mainland Spain, to encourage big movies to lens for longer in Spain.—John Hopewell, Variety, 22 Nov. 2022 If the gambit pays off, Coogler & Co. won’t be returning to Lagos simply to walk the red carpet, but also to lens future chapters of Marvel’s blockbuster, multibillion-dollar franchise.—Christopher Vourlias, Variety, 28 Nov. 2022 Original cinematographer Dean Cundey, who went on to lens Jurassic Park and Who Framed Roger Rabbit?, ensures that the film looks as visually gorgeous as the original, full of unsettlingly dark nighttime imagery and eerie point-of-view camerawork.—Wesley Stenzel, EW.com, 14 Oct. 2022 See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lens.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
New Latin lent-, lens, from Latin, lentil; from its shape
: a curved piece of glass or plastic used singly or combined in eyeglasses or an optical instrument (as a microscope) for forming an image by focusing rays of light
: a device for directing or focusing radiation other than light (as sound waves, radio microwaves, or electrons)
: a highly transparent biconvex lens-shaped or nearly spherical body in the eye that focuses light rays entering the eye typically onto the retina, lies immediately behind the pupil, is made up of slender curved rod-shaped ectodermal cells in concentric lamellae surrounded by a tenuous mesoblastic capsule, and alters its focal length by becoming more or less spherical in response to the action of the ciliary muscle on a peripheral suspensory ligament