convex lens n.
A lens having at least one surface that curves outward like the exterior of a sphere.
A convex lens is fixated on a slanted ceiling emanating a faint amount of soft white light.
The kind of lens we have been talking about is the convex lens.
The convex lens makes a clear image and it is the only kind of lens that will do this.
A magnifying glass, or convex lens, if put in the right place, will do this.
A jeweler wears a convex lens on his eye when he works with small objects.
A convex lens is among the usual appendages to the tobacco pipe.
Fig. 108 shows diagrammatically how a convex lens forms an image.
This may be done either by a convex lens, or by a concave mirror.
The convex lens forming the image is called the "objective" (O).
Suppose we place an arrow, A, in front of a convex lens (Fig. 73).