Visual Dictionary Online


Powered by

diverging lensesclick to hear

Thicker on the edges than in the center; they cause parallel light rays emanating from an object to diverge.
diverging lenses plano-concave lens concave lens biconcave lens negative meniscus

plano-concave lens click to hear

Lens with one flat side and one concave side (curving inward).

concave lens click to hear

Lens with one side curving inward; the greater the curvature, the more the light rays diverge.

biconcave lens click to hear

Lens with both sides curving inward.

negative meniscus click to hear

Lens where the concave side (curving inward) is more pronounced than the convex side (bulging outward).