visible light are also called "lenses", such as microwave lenses, electron lenses, acoustic lenses, or explosive lenses. Lenses are used in various imaging...
59 KB (7,046 words) - 23:04, 10 June 2024
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...
89 KB (10,779 words) - 16:59, 9 June 2024
The Lens, formerly called Patent Lens, is a free searcheable online patent and scholarly literature database, provided by Cambia, an Australia-based non-profit...
9 KB (945 words) - 00:18, 1 February 2024
A Rotman lens (sometimes referred to as a Rotman-Turner lens) is a passive electronic component used for beamforming in radio frequency applications....
3 KB (301 words) - 00:29, 11 June 2024
A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body...
28 KB (3,495 words) - 23:48, 29 February 2024
Racing Club de Lens (French pronunciation: [ʁasiŋ klœb də lɑ̃s]), commonly referred to as RC Lens, is a French professional football club based in the...
35 KB (3,425 words) - 13:09, 10 June 2024
Google Lens is an image recognition technology developed by Google, designed to bring up relevant information related to objects it identifies using visual...
11 KB (1,083 words) - 08:47, 9 May 2024
The lens, or crystalline lens, is a transparent biconvex structure in most land vertebrate eyes. Relatively long, thin fiber cells make up the majority...
52 KB (6,468 words) - 22:11, 9 June 2024
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...
56 KB (6,470 words) - 15:34, 4 June 2024
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...
15 KB (1,354 words) - 14:37, 26 April 2024
lenses, progressive addition lenses (PAL), varifocal lenses, progressive power lenses, graduated prescription lenses, or progressive spectacle lenses...
11 KB (1,372 words) - 05:12, 13 April 2024
A lens cover or lens cap provides protection from scratches and minor collisions for camera and camcorder lenses. Lens covers come standard with most cameras...
2 KB (267 words) - 08:42, 22 May 2024
Lens Technology (Chinese: 蓝思科技) is a Chinese technology company headquartered in Hunan that engages in the research, development, manufacture, and sale...
3 KB (188 words) - 00:28, 21 January 2024
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 short...
42 KB (5,016 words) - 06:10, 9 June 2024
videography, a lens adapter is a device that enables the use of camera and lens combinations from otherwise incompatible systems. The most simple lens adapter...
7 KB (678 words) - 04:27, 28 November 2022
A gravitational lens is matter, such as a cluster of galaxies or a point particle, that bends light from a distant source as it travels toward an observer...
51 KB (5,719 words) - 05:48, 3 June 2024
radii of curvature of the lens surfaces. Lenses whose thickness is not negligible are sometimes called thick lenses. The thin lens approximation ignores optical...
6 KB (899 words) - 05:16, 6 February 2024
Communauté d'agglomération de Lens – Liévin is the communauté d'agglomération, an intercommunal structure, centred on the cities of Lens and Liévin. It is located...
3 KB (195 words) - 10:38, 6 April 2022
"Into the Lens" is a song written by Trevor Horn and Geoff Downes. It was originally released in 1980 by progressive rock band Yes, of which Horn and Downes...
9 KB (886 words) - 19:44, 7 February 2024
digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with...
66 KB (7,819 words) - 01:54, 5 June 2024
A fisheye lens is an ultra wide-angle lens that produces strong visual distortion intended to create a wide panoramic or hemispherical image.: 145 Fisheye...
62 KB (6,577 words) - 10:48, 16 May 2024
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...
5 KB (508 words) - 22:59, 31 March 2024
A single-lens reflex camera (SLR) is a camera that typically uses a mirror and prism system (hence "reflex" from the mirror's reflection) that permits...
28 KB (3,837 words) - 02:22, 7 June 2024
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:...
52 KB (6,363 words) - 08:22, 22 May 2024
In hydrology, a lens, also called freshwater lens or Ghyben-Herzberg lens, is a convex-shaped layer of fresh groundwater that floats above the denser...
7 KB (1,014 words) - 09:03, 19 October 2023
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...
17 KB (2,265 words) - 09:45, 15 January 2024
lenses, most usually the rangefinder camera, single lens reflex type, single lens mirrorless type or any movie camera of 16 mm or higher gauge. Lens mounts...
33 KB (1,748 words) - 21:20, 20 May 2024
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 f2...
8 KB (799 words) - 22:00, 25 March 2023
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...
1 KB (145 words) - 19:35, 31 December 2022
A lens flare happens when light is scattered or flared in a lens system, often in response to a bright light, producing a sometimes undesirable artifact...
13 KB (1,512 words) - 07:06, 2 June 2024