[pley-noh-kon-veks, -kon-veks, -kuh n-]
- pertaining to or noting a lens that is plane on one side and convex on the other.
Origin of plano-convex
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for plano-convex
If the lens is a plano-convex the focal length is twice the radius of its spherical surfaces.Wireless Transmission of Photographs
Marcus J. Martin
In most plano-convex examples, the plane face is unmodified except for retouch.
The two examples with plano-convex cross-sections were unmodified on the plano face except for retouch along the edges.
Plano-convex (L)—a term used to describe an object that is flat on one face and convex on the other.
But by passing through the plano-convex glass r in their way they form that extremity of the image at b.The Boy's Playbook of Science
John Henry Pepper
- (of a lens) having one side convex and the other side plane