Lens

Look up lens in Wiktionary, the free dictionary.

Lens may refer to:

Optics

• Lens (optics), an optical element which converges or diverges light
  • 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

Other radiation focus and forces

• Gravitational lens, a massive astronomical object which causes visual distortions
• Electrostatic lens, a device used to focus or collimate electron beams
• Explosive lens, a shaped explosive charge with focused blast
• Microwave lens, used to focus microwave radiation in slotted waveguide antennas

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 (genus), 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.

Other uses

• bidirectional transformation in computer science
• European Laboratory for Non-Linear Spectroscopy
• 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)