- concave lens
- a lens that has a surface curved like part of the interior of a hollow sphere, so that it diverges rays of light. Called also diverging l. and minus l.
Medical dictionary. 2011.
Medical dictionary. 2011.
concave lens — lens which is rounded inward … English contemporary dictionary
concave lens — noun a lens such that a parallel beam of light passing through it is caused to diverge or spread out • Syn: ↑diverging lens • Hypernyms: ↑lens, ↑lense, ↑lens system … Useful english dictionary
plano-concave lens — plokščiai įgaubtas lęšis statusas T sritis fizika atitikmenys: angl. plano concave lens vok. Plankonkavlinse, f rus. плоско вогнутая линза, f pranc. lentille plan concave, f … Fizikos terminų žodynas
convexo-concave lens — iškilai įgaubtas lęšis statusas T sritis fizika atitikmenys: angl. convexo concave lens vok. konvex konkave Linse, f rus. выпукло вогнутая линза, f pranc. lentille convexe concave, f … Fizikos terminų žodynas
bi-concave lens — double concave lens, lens curved inward like a bowl on both sides … English contemporary dictionary
double-concave lens — abipus įgaubtas lęšis statusas T sritis fizika atitikmenys: angl. biconcave lens; double concave lens vok. bikonkave Linse, f rus. двояковогнутая линза, f pranc. lentille biconcave, f … Fizikos terminų žodynas
concave lens double — biconcave l … Medical dictionary
concave lens periscopic — convexoconcave l … Medical dictionary
Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra … Wikipedia
Concave — A concave set. The word concave means curving in or hollowed inward, as opposed to convex. The former may be used in reference to: Concave lens, a lens with inward curving (concave) surfaces. Concave polygon, a polygon which is not convex.… … Wikipedia