EXAMPLES FROM THE WEB FOR LENS
A lens gleamed transparent in the sunlight from the open end.
He uncovered the lens of his dark lantern and turned the ray on Wixy.
This is exposed to the light that shines through the lens of the camera.
The kind of lens we have been talking about is the convex lens.
Then the lens bends it together again until it comes to a point.
The convex lens makes a clear image and it is the only kind of lens that will do this.
The amber beam emanating from the lens increased in intensity.
Jim guessed that in an instant the Ray could be made to dart out of the lens.
I'm—I'm afraid you had your hand over the lens, Samuel dear.
At present I shall assume that only one lens will be made at a time.
1690s, "glass to regulate light rays," from Latin lens (genitive lentis) "lentil," on analogy of the double-convex shape. See lentil. Of the eye from 1719.