- hemispherical lens
- <opt> ■ halbkugelförmige Linse f ; Halbkugellinse f
English-german technical dictionary. 2013.
English-german technical dictionary. 2013.
Hemispherical photography — Hemispherical photography, also known as fisheye or canopy photography, is a technique to estimate solar radiation and characterize plant canopy geometry using photographs taken looking upward through an extreme wide angle lens (Rich 1990).… … Wikipedia
Fisheye lens — In photography, a fisheye lens is a wide angle lens that takes in an extremely wide, hemispherical image. Originally developed for use in meteorology [Hill, R. 1924. A lens for whole sky photographs. Quarterly Journal of the Royal Meteorological… … Wikipedia
Luneburg lens — Cross section of the standard Luneburg lens, with blue shading proportional to the refractive index A Luneburg lens (originally Lüneburg lens, often incorrectly spelt Luneberg lens … Wikipedia
Canon EF 15mm lens — Infobox photographic lenses name = EF 15mm f/2.8 USM maker = Canon feat is = n feat usm = n feat sbf = n feat macro = n feat special = fisheye type = ultra wide angle prime lens application = special effect flength = 15 mm fov = 1.0 aperture =… … Wikipedia
Solid immersion lens — A solid immersion lens (SIL) has higher magnification and higher numerical aperture than common lenses by filling the object space with a high refractive index solid material. SIL was originally developed for enhancing the spatial resolution of… … Wikipedia
fisheye lens — fish′eye lens [[t]ˈfɪʃˌaɪ[/t]] n. pht a hemispherical plano convex lens for photographing in a full 180° in front of the camera … From formal English to slang
fisheye lens — Photog. a hemispherical plano convex lens for photographing in a full 180° in all directions in front of the camera, creating a circular image having an increasing amount of distortion from the center to the periphery. [1960 65] * * * … Universalium
bull — 1. n., adj., & v. n. 1 a an uncastrated male bovine animal. b a male of the whale, elephant, and other large animals. 2 (the Bull) the zodiacal sign or constellation Taurus. 3 Brit. the bull s eye of a target. 4 Stock Exch. a person who buys… … Useful english dictionary
Bull — 1. n., adj., & v. n. 1 a an uncastrated male bovine animal. b a male of the whale, elephant, and other large animals. 2 (the Bull) the zodiacal sign or constellation Taurus. 3 Brit. the bull s eye of a target. 4 Stock Exch. a person who buys… … Useful english dictionary
Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… … Wikipedia
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium