Convex+lens
51Large format lens — Large format lenses are photographic optics that provide an image circle large enough to cover large format film or plates. Large format lenses are typically used in large format cameras and view cameras.Photographic optics generally project a… …
52plano-convex — /play noh kon veks, kon veks , keuhn /, adj. Optics. pertaining to or noting a lens that is plane on one side and convex on the other. See diag. under lens. [1655 65; PLANO 1 + CONVEX] * * * …
53concavoconvex lens — a lens that has one concave surface and one convex; the concave surface is of greater curvature than the convex. Called also periscopic convex l., converging meniscus l., and positive meniscus l …
54concavo-convex — /kɒnˌkeɪvoʊ kɒnˈvɛks/ (say kon.kayvoh kon veks) adjective 1. concave on one side and convex on the other. 2. denoting or relating to a lens in which the concave face has a greater degree of curvature than the convex face, the lens being thinnest… …
55crown lens — noun a lens made of optical crown glass • Hypernyms: ↑lens, ↑lense, ↑lens system * * * noun : the crown glass component of an achromatic lens * * * Optics. a lens made of crown glass, usually used as the converging lens component of an achromatic …
56Simple lens — In optics, a simple lens or singlet lens is a lens consisting of a single simple element. Typical examples include a magnifying glass or a lens in a pair of simple reading glasses.Simple lenses are prone to chromatic and other aberrations and… …
57Achromatic lens — An achromatic lens or achromat is a lens that is designed to limit the effects of chromatic and spherical aberration. Achromatic lenses are corrected to bring two wavelengths (typically red and blue) into focus in the same plane.The most common… …
58Cylindrical lens — Cylindrical lenses. Diagram showing cylindrical lenses …
59Magnetic lens — …
60Concavo-convex — Con*ca vo con vex, a. 1. Concave on one side and convex on the other, as an eggshell or a crescent. [1913 Webster] 2. (Optics) Specifically, having such a combination of concave and convex sides as makes the focal axis the shortest line between… …
