useful field of view
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Field of view — The field of view (also field of vision) is the angular extent of the observable world that is seen at any given moment.Different animals have different fields of view, depending on the placement of the eyes. Humans have an almost 180 degree… … Wikipedia
field*/*/*/ — [fiːld] noun [C] I 1) an area of land that is used for keeping animals or growing food a field of wheat[/ex] 2) a subject that you study, or a type of work that you do Professor Edwards is one of the main experts in his field.[/ex] the field of… … Dictionary for writing and speaking English
View camera — The view camera is a type of camera first developed in the era of the DaguerreotypeStroebel, L. D. (1986). View Camera Technique , 5th ed., p. 212. Boston: Focal Press. ISBN 0 240 51711 3] and still in use today, though with many refinements. It… … Wikipedia
Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… … Wikipedia
Field (mathematics) — This article is about fields in algebra. For fields in geometry, see Vector field. For other uses, see Field (disambiguation). In abstract algebra, a field is a commutative ring whose nonzero elements form a group under multiplication. As such it … Wikipedia
Field hockey stick — In Field hockey, each player carries a stick and cannot take part in the game without it. The stick is usually between 36 and 38 long (but this is not defined or restricted)and traditionally made of wood but now almost all the more expensive… … Wikipedia
Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry … Wikipedia
Near and far field — This article is about the electromagnetic concept. For the mathematical, see Near field (mathematics). Antenna field regions for antennas that are shorter than the wavelength of the radiation they emit, such as the whip antenna of a citizen s… … Wikipedia
Angle of view — In photography, angle of view describes the angular extent of a given scene that is imaged by a camera. It parallels, and may be used interchangeably with, the more general visual term field of view.It is important to distinguish the angle of… … Wikipedia
Wide Field Camera 3 — The Wide Field Camera 3 (WFC3) will be the Hubble Space Telescope s (Hubble) last and most technologically advanced instrument to take images in the visible spectrum. It is scheduled to be installed in 2008 during STS 125. STS 125 is currently… … Wikipedia
Rear-view mirror — A rear view mirror (or sometimes, rear vision mirror in British English) is a functional type of mirror found on automobiles and other vehicles, designed to allow the driver to see the area behind the vehicle through the back window.Rear view… … Wikipedia
