Converging rays

(Opt.) rays of light, which, proceeding from different points of an object, tend toward a single point.

See also: Converging

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
In this paper we are considering only four converging rays after reflection from hyperboloidal subreflector as shown in Figure 4.
However, the diagonal also obscures some of the converging rays from the secondary mirror.