focal centre length
21Machine vision glossary — Common definitions related to the machine vision field.Compiled for application on the Society of Manufacturing Engineers interest area.General related fields *Machine vision *Computer vision *Image processing *Signal processing NOTOC 0 9*1394.… …
22Cardinal point (optics) — For other uses, see Cardinal point (disambiguation). In Gaussian optics, the cardinal points consist of three pairs of points located on the optical axis of an ideal, rotationally symmetric, focal, optical system. For ideal systems, the basic… …
23F-number — In optics, the f number (sometimes called focal ratio, f ratio, or relative aperture [Smith, Warren Modern Lens Design 2005 McGraw Hill] ) of an optical system expresses the diameter of the entrance pupil in terms of the focal length of the lens; …
24India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …
25Magnification — For Magnification in the sense of exaggeration, see Exaggeration. For the 2001 album of progressive rock band Yes, see Magnification (album). The stamp appears larger with the use of a magnifying glass Magnification is the process of enlarging… …
26Potsdamer Platz — Major buildings at Potsdamer Platz from the air in 2004 …
27Eyeglass prescription — Using a phoropter to determine a prescription for eyeglasses An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist or ophthalmologist, that specifies the value of all parameters the prescriber has deemed… …
28architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… …
29Ellipse — Elliptical redirects here. For the exercise machine, see Elliptical trainer. This article is about the geometric figure. For other uses, see Ellipse (disambiguation). Not to be confused with ellipsis. An ellipse obtained as the intersection of a… …
30motion picture — motion picture, adj. 1. a sequence of consecutive pictures of objects photographed in motion by a specially designed camera (motion picture camera) and thrown on a screen by a projector (motion picture projector) in such rapid succession as to… …
