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Optical device which transmits and refracts light
visible light are also called "lenses", such as microwave lenses, electron lenses, acoustic lenses, or explosive lenses. Lenses are used in various imaging
Lens
Topics referred to by the same term
Look up lens in Wiktionary, the free dictionary. A lens is an optical element that converges or diverges light. Lens may also refer to: Lens (anatomy)
Lens_(disambiguation)
Association football club in France
Racing Club de Lens (French pronunciation: [ʁasiŋ klœb də lɑ̃s]), commonly referred to as RC Lens or simply as Lens, is a French professional football
RC_Lens
Compact composite lens
A Fresnel lens (/ˈfreɪnɛl, -nəl/ FRAY-nel, -nəl; /ˈfrɛnɛl, -əl/ FREN-el, -əl; or /freɪˈnɛl/ fray-NEL) is a type of composite compact lens which reduces
Fresnel_lens
Lenses placed on the eye's surface
Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic devices used by over
Contact_lens
Type of lens to improve visual perception
A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors:
Corrective_lens
Image recognition tool developed by Google
Google Lens is an image recognition technology developed by Google, designed to bring up relevant information related to objects it identifies using visual
Google_Lens
Species of plant with edible seeds
The lentil (Vicia lens or Lens culinaris) is an annual legume grown for its lens-shaped edible seeds or pulses, also called lentils. It is about 40 cm
Lentil
Online patent and academic database
The Lens (formerly Patent Lens) is a free, searchable online database of patents and scholarly literature, provided by Cambia, a non-profit organisation
The_Lens
Wide-angle photographic lens with strong barrel distortion
fisheye lens is an ultra wide-angle lens that produces strong visual distortion intended to create a wide panoramic or hemispherical image. Fisheye lenses achieve
Fisheye_lens
Surname list
Lens is a Dutch patronymic surname. The given name Lens is a now rare short form of Laurens. Notable people with the surname include: Andries Cornelis
Lens_(surname)
causes a distortion in the shape of the lens because the lens can only be supported by the edges. Making the lens thick enough to prevent deformation would
Lens_sag
Image artifact in a lens system
A lens flare is a visual artifact caused by light scattering, or flaring, in a lens system. This can happen through light scattered by the imaging mechanism
Lens_flare
Device used for eye irrigation
The Morgan Lens is a sterile plastic device resembling a contact lens connected to tubing that fits over the eye and allows copious irrigation of the eye
Morgan_Lens
Eye structure
The lens, or crystalline lens, is a transparent biconvex structure in most land vertebrate eyes. Relatively long, thin fiber cells make up the majority
Lens_(vertebrate_anatomy)
Class of topological space
A lens space is an example of a topological space, considered in mathematics. The term often refers to a specific class of 3-manifolds, but in general
Lens_space
Belgian DJ and record producer
Amelie Lens (Flemish: [aːmeːˈli ˈlɛns], French: [ameli lɑ̃s]; born 31 May 1990) is a Belgian electronic music DJ, record producer, and owner of the record
Amelie_Lens
Light bending by mass between source and observer
A gravitational lens is matter, such as a cluster of galaxies or a point particle, in sufficient quantity and density to bend light noticeably from a distant
Gravitational_lens
Optical device
cylindrical lens is a lens which focuses light into a line instead of a point as a spherical lens would. The curved face or faces of a cylindrical lens are sections
Cylindrical_lens
Type of camera lens with long focal length
A telephoto lens, also known as telelens, is a specific type of a long-focus lens used in photography and cinematography, in which the physical length
Telephoto_lens
Aesthetic quality of blur in the out-of-focus parts of an image
the lens renders out-of-focus points of light". Differences in lens aberrations and aperture shape cause very different bokeh effects. Some lens designs
Bokeh
Optical lens
A telecentric lens is a special type of optical lens (often an objective lens or a camera lens) that has its entrance or exit pupil, or both, at infinity
Telecentric_lens
Lens implanted in the eye to treat cataracts and/or myopia or hyperopia
An intraocular lens (IOL) is a lens implanted in the eye usually as part of a treatment for cataracts or for correcting other vision problems such as near-sightedness
Intraocular_lens
Spherically symmetric gradient-index lens
A Luneburg lens (original German Lüneburg-Linse) is a spherically symmetric gradient-index lens. A typical Luneburg lens's refractive index n decreases
Luneburg_lens
In imaging optics, a field lens is a positive-powered lens or group of lenses that comes after the objective lens and before the image plane or the eyepiece
Field_lens
Lens with a thickness that is negligible
radii of curvature of the lens surfaces. Lenses whose thickness is not negligible are sometimes called thick lenses. The thin lens approximation ignores optical
Thin_lens
Sony E-mount Lens) lenses for Sony E-mount cameras since 2010. They are also compatible with Hasselblad E-mount cameras. Some of the lenses introduced into
List_of_Sony_E-mount_lenses
An embedded lens is a gravitational lens that consists of a concentration of mass enclosed by (embedded in) a relative void in the surrounding distribution
Embedded_lens
Corrective lens used in eyeglasses
lenses, progressive addition lenses (PAL), varifocal lenses, progressive power lenses, graduated prescription lenses, or progressive spectacle lenses
Progressive_lens
Type of lens
lens or asphere (often labeled ASPH on eyepieces) is a lens whose surface profiles are not portions of a sphere or cylinder. In photography, a lens assembly
Aspheric_lens
Type of lens
A toric lens is a lens with different optical power and focal length in two orientations perpendicular to each other. One of the lens surfaces is shaped
Toric_lens
Optical device used with a camera to create images
A camera lens, photographic lens or photographic objective is an optical lens or assembly of lenses (compound lens) used in conjunction with a camera
Camera_lens
Toy lenses for Nikon SLR cameras
Amusing Lenses (ニコン おもしろレンズ工房) are a limited production set of four toy lenses for the Nikon F mount sold exclusively in Japan. The Amusing Lenses were designed
Nikon_Amusing_Lenses
A flat lens is a lens whose flat shape allows it to provide distortion-free imaging, potentially with arbitrarily-large apertures. The term is also used
Flat_lens
German optics company
E-mount ZA-lenses are fully dedicated Sony E-mount autofocus lenses. Lenses carrying the E designation cover the APS-C format, while lenses designated
Zeiss_(company)
Decision Lens is online decision-making software that is based on multi-criteria decision making. Decision Lens implements the Analytic Hierarchy Process
Decision_Lens
Layer of fresh groundwater
In hydrology, a lens, also called freshwater lens or Ghyben-Herzberg lens, is a convex layer of fresh groundwater that floats above the denser saltwater
Lens_(hydrology)
Optical lenses that darken on exposure to certain wavelengths of light
A photochromic lens is an optical lens that darkens on exposure to light of sufficiently high frequency, most commonly ultraviolet (UV) radiation. In
Photochromic_lens
Interface between a camera body and lens
A lens mount is an interface – mechanical and often also electrical – between a photographic camera body and a lens. It is a feature of camera systems
Lens_mount
Dutch footballer (born 1987)
Jeremain Marciano Lens (born 24 November 1987) is a Dutch former professional footballer. He was a versatile attacking player, known for his pace and stamina
Jeremain_Lens
Maximum aperture diameter, or minimum f-number, of a photographic lens
Lens speed is the maximum aperture diameter, or minimum f-number, of a photographic lens. A lens with a larger than average maximum aperture (that is,
Lens_speed
Convex lens used to magnify images
A magnifying glass is a convex lens—usually mounted in a frame with a handle—that is used to produce a magnified image of an object. A magnifying glass
Magnifying_glass
Chinese precision manufacturing company
Lens Technology Co., Ltd. (Chinese: 蓝思科技股份有限公司) is a Chinese precision manufacturing company that produces glass, ceramic, metal, and sapphire components
Lens_Technology
Lens that is designed to limit the effects of chromatic and spherical aberration
An achromatic lens or achromat is a lens that is designed to limit the effects of chromatic and spherical aberration. Achromatic lenses are corrected
Achromatic_lens
A Celor lens (also known as a symmetric dialyte) is a highly corrected lens of the Dialyt type, designed for process photography, involving reproduction
Celor_lens
Camera that typically uses a mirror and prism system
a single-lens reflex camera (SLR) is a type of camera that uses a mirror and prism system to allow photographers to view through the lens and see exactly
Single-lens_reflex_camera
Optical lens used to increase focal length
The Barlow lens, named after the English physicist and mathematician Peter Barlow (1776–1862), is an optical tube with diverging lens elements that, used
Barlow_lens
Malposition of the lens of the eye
eye's lens from its normal location. A partial dislocation of a lens is termed lens subluxation or subluxated lens; a complete dislocation of a lens is termed
Ectopia_lentis
First photographic portrait objective lens
The Petzval objective, or Petzval lens, is the first photographic portrait objective lens (with a 160 mm focal length) in the history of photography.
Petzval_lens
Optical device for recording images
offering unique capabilities. Single-lens reflex (SLR) cameras provide real-time, exact imaging through the lens. Large-format and medium-format cameras
Camera
Camera lens with fixed focal length
In film and photography, a prime lens is a fixed focal length photographic lens (as opposed to a zoom lens), typically with a maximum aperture from f/2
Prime_lens
Surname list
Lensing is a surname. Notable people with the surname include: Kees Lensing (born 1978), Namibian rugby union player Sascha Lensing (born 1973), German
Lensing
Starter lens which can be sold with an interchangeable-lens camera
A kit lens is a "starter" lens which can be sold with an interchangeable-lens camera such as a mirrorless camera or DSLR. It is generally an inexpensive
Kit_lens
Lens with a variable focal length
opposed to a fixed-focal-length (FFL) lens (prime lens). A true zoom lens or optical zoom lens is a type of parfocal lens, one that maintains focus when its
Zoom_lens
Type of photography and cinematography lens
In photography and cinematography, a normal lens is a lens that reproduces a field of view that appears "natural" to a human observer. In contrast, depth
Normal_lens
Camera technique
the use of camera movements that change the orientation or position of the lens with respect to the film or image sensor on cameras. Sometimes the term is
Tilt–shift_photography
Term for a thin, flat camera lens
A pancake lens is a colloquial term for a flat, thin camera lens assembly (short barrel). The majority are prime lenses of a normal or slightly wider
Pancake_lens
Measure of how strongly an optical system converges or diverges light
light; it has units of length, and for an idealized thin lens is equal to the distance between the lens and its focal points. A positive focal length indicates
Focal_length
Mirrorless camera lens mount
The Canon RF lens mount is an interchangeable-lens mount developed by Canon for its full-frame mirrorless interchangeable-lens cameras, and featured first
Canon_RF_lens_mount
fixed-lens cameras, also known as premium compact cameras or high-end point-and-shoot cameras. These are digital cameras with a non-interchangeable lens and
List of large sensor fixed-lens cameras
List_of_large_sensor_fixed-lens_cameras
1997 studio album by Robbie Williams
Life thru a Lens is the debut solo album by English singer-songwriter Robbie Williams following his departure from Take That. Released on 29 September
Life_thru_a_Lens
The Mir (Russian: Мир) series of lenses are Russian camera lenses made by various manufacturers in the former Soviet Union. The first variant was the Mir-1
Mir_(lens)
In nano-optics, a plasmonic lens generally refers to a lens for surface plasmon polaritons (SPPs), i.e. a device that redirects SPPs to converge towards
Plasmonic_lens
Series of camera lenses made in the Soviet Union
The Jupiter (Russian: Юпитер, "Jupiter") series of lenses are Russian camera lenses made by various manufacturers in the former Soviet Union. They were
Jupiter_(lens)
Technique for recording widescreen images onto a 4:3 frame
Anamorphic lenses have more complex optics than standard spherical lenses which require more light, and can introduce distinctive distortions such as lens flares
Anamorphic_format
Photography equipment
A lens cover or lens cap provides protection from scratches, moisture, and minor collisions for camera and camcorder lenses. Lens covers come standard
Lens_cover
Large contact lens resting on the sclera, creating a tear-filled vault over the cornea
A scleral lens, also known as a scleral contact lens, is a large contact lens that rests on the sclera and creates a tear-filled vault over the cornea
Scleral_lens
Spherical lens
A ball lens is an optical lens in the shape of a sphere. Formally, it is a bi-convex spherical lens with the same radius of curvature on both sides, and
Ball_lens
Photographic equipment
lens hood or lens shade is a device used on the front end of a lens to block the Sun or other light source(s) to prevent glare and lens flare. Lens hoods
Lens_hood
Simple optical device
optics, a simple lens or singlet lens is a lens consisting of a single simple element. Typical examples include a magnifying glass or a lens in a pair of
Simple_lens
Assistive device
The Peli Lens is a mobility aid for people with homonymous hemianopia. It is also known as “EP” or Expansion Prism concept and was developed by Dr. Eli
Peli_Lens
8th-century BC piece of rock crystal unearthed in 1850
The Nimrud lens, also called Layard lens, is an 8th-century BC piece of rock crystal which was unearthed in 1850 by Austen Henry Layard at the Assyrian
Nimrud_lens
Effect in some photographic lenses
any geometric change in field-of-view by a camera lens when changing the focus distance of that lens. Even if the angle-of-view is constant, distortion
Breathing_(lens)
Lens mount
Nikon F-mount is a type of interchangeable lens mount developed by Nikon for its 35mm format single-lens reflex cameras. The F-mount was first introduced
Nikon_F-mount
Belgian composer of contemporary music (born 1957)
Nicholas Lens Noorenbergh (born 1957) is a Belgian composer of contemporary music, particularly known for his operas. His work is published by Schott Music
Nicholas_Lens
Device for focusing charged particles
An electrostatic lens is a device that assists in the transport of charged particles. Electrostatic lenses can focus, and also accelerate or decelerate
Electrostatic_lens
Sensory organ of vision
amount of light entering the interior of the eye; then another lens (the crystalline lens) that accomplishes the remaining focusing of light into images;
Human_eye
Infestation of a camera lens by fungus
Lens or camera fungus is the popular name for the infestation of optical devices such as lenses, low pass filter (OLPF) or the camera sensor, by fungal
Lens_fungus
century led to an array of lens designs intended for photography. The problems of photographic lens design, creating a lens for a task that would cover
History of photographic lens design
History_of_photographic_lens_design
Membrane surrounding the lens within the eyeball
The lens capsule is a component of the globe of the eye. It is a clear elastic basement membrane similar in composition to other basement membranes in
Lens_capsule
Technology for making moving images
A lenticular lens is an array of lenses, designed so that when viewed from slightly different angles, different parts of the image underneath are shown
Lenticular_lens
Compact digital system camera without a reflex mirror
describe digital interchangeable lens cameras. Mirrorless cameras have become the most popular kind of interchangeable lens camera in both professional and
Mirrorless_camera
Microwave antenna
A lens antenna is a directional antenna that uses a shaped piece of microwave-transparent material to bend and focus microwaves by refraction, as an optical
Lens_antenna
Compound lens consisting of three single lenses
A triplet lens is a compound lens consisting of three single lenses. The triplet design is the simplest to give the required number of degrees of freedom
Triplet_lens
Standard lens mount on the Canon EOS family
The EF lens mount is the standard lens mount on Canon’s EOS family of cameras. EF stands for "Electro-Focus": automatic focusing on EF lenses is handled
Canon_EF_lens_mount
Type of camera lens
A varifocal lens is a camera lens with variable focal length in which focus changes as focal length (and magnification) changes, as compared to a parfocal
Varifocal_lens
Camera lens manufactured by Canon
series of L lenses (Luxury lenses) are a professional line of photography lenses made by Canon. Canon has sold zoom and prime L-series lenses for the discontinued
Canon_L_lens
Hole or opening through which light travels
aperture of an optical system (including a system consisting of a single lens) is the hole or opening that primarily limits light propagated through the
Aperture
2016 Indian film by Jayaprakash Radhakrishnan
Lens is 2016 Indian drama thriller film written and directed by Jayaprakash Radhakrishnan. The film features dialogues predominately in Tamil and English
Lens_(film)
Concept of using the Sun as a large lens
gravitational lens or solar gravity lens (SGL) is a theoretical method of using the Sun as a large lens with a physical effect called gravitational lensing. It
Solar_gravitational_lens
Accessory for view cameras
A lens board is a stiff, opaque board with a hole in the center, onto which a lens is mounted, so that the lens can be attached easily to the front of
Lens_board
Optical device
aplanatic lens is a lens that is free of both spherical and coma aberrations. Aplanatic lenses can be made by combining two or three lens elements. A
Aplanatic_lens
Lens implanted in eye in addition to the natural lens
intraocular lens (PIOL) is an intraocular lens that is implanted surgically into the eye to correct refractive errors without removing the natural lens (also
Phakic_intraocular_lens
Louis Lens, son of rose-breeder Victor Lens, (3 March 1924 - 10 May 2001), was a rose breeder in the Benelux countries. The roses introduced by him and
Louis_Lens
Mechanical device for measuring lenses
lens clock is a mechanical dial indicator that is used to measure the dioptric power of a lens. It is a specialized version of a spherometer. A lens clock
Lens_clock
Passive electronic component used for RF beamforming
A Rotman lens (sometimes referred to as a Rotman-Turner lens) is a passive electronic component used for beamforming in radio frequency applications.
Rotman_lens
Shaped charge used in nuclear weapons
An explosive lens—as used, for example, in nuclear weapons—is a highly specialized shaped charge. In general, it is a device composed of several explosive
Explosive_lens
88th season of the Ligue 1
to spare on 13 May 2026, following a 2–0 win against closest competitors Lens. A total of eighteen teams participated in the 2025–26 edition of the Ligue
2025–26_Ligue_1
American company
Lens Express was a direct-mail-order company that sold contact lenses that were available over-the-phone, and also offered a free catalog. The company
Lens_Express
Topics referred to by the same term
Multifocal lens may refer to: Progressive lens, used in eyeglasses Multifocal intraocular lens Multifocal diffractive lens, a diffractive optical element
Multifocal_lens
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