direction focussing
1focussing — noun the concentration of attention or energy on something the focus of activity shifted to molecular biology he had no direction in his life • Syn: ↑focus, ↑focusing, ↑focal point, ↑direction, ↑centering …
2optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
3Camera — For other uses, see Camera (disambiguation). Various cameras A camera is a device that records and stores images. These images may be still photographs or moving images such as videos or movies. The term camera comes from the camera obscura… …
4broadcasting — /brawd kas ting, kah sting/, n. 1. the act of transmitting speech, music, visual images, etc., as by radio or television. 2. radio or television as a business or profession: She s training for a career in broadcasting. [1920 25; BROADCAST + ING1] …
5eye, 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… …
6focal point — noun 1. a point of convergence of light (or other radiation) or a point from which it diverges (Freq. 2) • Syn: ↑focus • Derivationally related forms: ↑focal (for: ↑focus), ↑focus ( …
7focusing — noun 1. the concentration of attention or energy on something (Freq. 1) the focus of activity shifted to molecular biology he had no direction in his life • Syn: ↑focus, ↑focussing, ↑focal point, ↑direction, ↑ce …
8Focalisation (Optique) — Pour les articles homonymes, voir Focalisation. En optique, la focalisation est l opération qui consiste à concentrer des rayons provenant d un point en un autre point. Lorsque l on est très loin de l objet observé cela revient à concentrer les… …
9Focalisation (optique) — Pour les articles homonymes, voir Focalisation. En optique, la focalisation est l opération qui consiste à concentrer des rayons provenant d un point en un autre point. Lorsque l on est très loin de l objet observé cela revient à concentrer les… …
10magnet — /mag nit/, n. 1. a body, as a piece of iron or steel, that possesses the property of attracting certain substances, as iron. 2. a lodestone. 3. a thing or person that attracts: The park was a magnet for pickpockets and muggers. [1400 50; late ME… …