aspheric
1aspheric — [ā΄sfir′ik] adj. designating or of a lens or mirror made so that it is not perfectly spherical, as to minimize spherical aberration: also aspherical * * * a·spher·ic (ā sfîrʹĭk, ā sfĕrʹ ) also a·spher·i·cal ( ĭ kəl) adj. Varying slightly from… …
2aspheric — [ā΄sfir′ik] adj. designating or of a lens or mirror made so that it is not perfectly spherical, as to minimize spherical aberration: also aspherical …
3aspheric — or aspherical adjective Date: circa 1922 departing slightly from the spherical form especially in order to correct for spherical aberration < an aspheric lens > …
4aspheric — Denoting a paraboloidal surface, especially of a lens or mirror, that eliminates spherical aberration. [G. a priv. + sphaira, sphere] * * * aspher·ic ( )ā sfi(ə)r ik, sfer or aspher·i·cal i kəl adj departing slightly from the spherical form esp.… …
5Aspheric lens — An aspheric lens or asphere is a lens whose surfaces have a profile that is neither a portion of a sphere nor of a circular cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical lens.The asphere …
6aspheric — adjective aspherical …
7aspheric — adj. having a slight spherical variation (i.e. on a lens) …
8aspheric — adjective varying slightly from a perfectly spherical shape • Syn: ↑aspherical • Similar to: ↑rounded • Topics: ↑optics …
9Corrective lens — A bifocal corrective eyeglass lens A pair of contact le …
10Wing mirror — Dual contour wing mirror. Large inboard convex surface is separated by visible line from small outboard aspheric surface …
