Look up lens in Wiktionary, the free dictionary.

A lens is an optical element which converges or diverges light.

Lens may also refer to:

Optics

• Lens (anatomy), a part of the eye
• Corrective lens for correction of human vision
  • Contact lens, placed on the cornea of the eye
• Camera lens, a lens designed for use on a camera

Places

• Lens, Pas-de-Calais, a city in Northern France
• Arrondissement of Lens, an arrondissement in the Pas-de-Calais département of France
  • RC Lens, a football (soccer) club from Lens, France
• Lens, Belgium
• Lens, Valais, Switzerland

Science

• Lens (plant), the genus of the lentil plant
• Lens (geometry), a geometric shape formed from two arcs
• Lens (geology), a body of ore or rock that is thick in the middle and thin at the edges
• Lens (hydrology), a layer of fresh water derived from rainfall, overlying saline groundwater
• Kamera lens (biology), a unicellular, flagellate organism and the only species of the genus Kamera.
• Ice lens

Computing

• Filter (social media), sometimes called a lens
• Google Lens, an augmented reality feature for smartphones
• Microsoft Lens, a document scanning feature part of Microsoft Office
• Bidirectional transformation in computer science

Other uses

• Lens (film), a 2016 Indian film made simultaneously in Malayalam and Tamil
• "Lens" (song), by Alanis Morissette, 2012
• "Lens" (The Leftovers), a 2015 television episode
• The Lens, an online patent search facility and knowledge resource
• The Lens (band), a predecessor of IQ, a British neo-progressive rock group
• The Lens (website), in-depth news and investigations for New Orleans, USA
• European Laboratory for Non-Linear Spectroscopy (LENS)
• Laser engineered net shaping, a rapid prototyping technology capable of building fully dense metal parts
• Lens (surname)
• Lens, a fictional alien device in E. E. Smith's Lensman series
• Perspective (cognitive)

See also

• Len (disambiguation)
• Lense (disambiguation)