Lens

Optical device that refracts light.

lenses

A lens is a transmissive optical device that focuses or disperses light by refraction. It can be made of glass, plastic, or other transparent material and is used in various optical instruments.

/lɛnz/

From Old English lēnsa, from Latin lentis, referring to a small bean-shaped object.

optic

optical device refractive element

concave lens convex lens achromatic lens Fresnel lens

surfaces curvature

camera telescope eyeglasses microscope

manufactured object optical effect