annular synechia — adhesion of the whole rim of the iris to the lens … Medical dictionary
Fresnel lens — A Fresnel lens (pronounced [ frɛz.nəl] or [freɪ nɛl] ) is a type of lens invented by French physicist Augustin Jean Fresnel. Originally developed for lighthouses, the design enables the construction of lenses of large aperture and short focal… … Wikipedia
Echelon lens — Echelon Ech e*lon ([e^]sh e*l[o^]n), n. [F., fr. [ e]chelle ladder, fr. L. scala.] 1. (Mil.) An arrangement of a body of troops when its divisions are drawn up in parallel lines each to the right or the left of the one in advance of it, like the… … The Collaborative International Dictionary of English
Spot lens — Spot Spot (sp[o^]t), n. [Cf. Scot. & D. spat, Dan. spette, Sw. spott spittle, slaver; from the root of E. spit. See {Spit} to eject from the mouth, and cf. {Spatter}.] 1. A mark on a substance or body made by foreign matter; a blot; a place… … The Collaborative International Dictionary of English
spotted lens — Spot Spot (sp[o^]t), n. [Cf. Scot. & D. spat, Dan. spette, Sw. spott spittle, slaver; from the root of E. spit. See {Spit} to eject from the mouth, and cf. {Spatter}.] 1. A mark on a substance or body made by foreign matter; a blot; a place… … The Collaborative International Dictionary of English
echelon lens — echelon lens, a compound lens consisting of a series of concentric annular lenses arranged around a central lens … Useful english dictionary
spot lens — noun : a condensing lens in which the light is confined to an annular pencil by a small round diaphragm and which is used in dark field illumination … Useful english dictionary
Fresnel-Linse — žiedinis lęšis statusas T sritis fizika atitikmenys: angl. annular lens vok. Fresnel Linse, f; Ringlinse, f rus. кольцевая линза, f pranc. lentille annulaire, f … Fizikos terminų žodynas
Ringlinse — žiedinis lęšis statusas T sritis fizika atitikmenys: angl. annular lens vok. Fresnel Linse, f; Ringlinse, f rus. кольцевая линза, f pranc. lentille annulaire, f … Fizikos terminų žodynas
lentille annulaire — žiedinis lęšis statusas T sritis fizika atitikmenys: angl. annular lens vok. Fresnel Linse, f; Ringlinse, f rus. кольцевая линза, f pranc. lentille annulaire, f … Fizikos terminų žodynas