A piece of glass or other transparent material, with curved sides for concentrating or dispersing light rays, used in eyeglasses, cameras, microscopes, etc.
The photographer adjusted the lens to capture a clearer image.
The transparent structure inside the eye that focuses light rays onto the retina.
The lens of the eye helps to focus light and images on the retina.
A device that focuses or defocuses a beam of light, such as in a laser or optical instrument.
The laser's lens was carefully calibrated to ensure precision.
A metaphorical perspective or filter through which events or situations are viewed or interpreted.
She viewed the situation through a lens of optimism, seeing potential rather than problems.
In geology, a body of rock or ore that is thick in the middle and thins out toward the edges, resembling the shape of a convex lens.
A lens of sandstone was discovered between the shale layers.
lensverb
To photograph or film (something) with a camera.
The documentary was lensed by an award-winning cinematographer.
To fit or equip (a device or frame) with a lens or lenses.
The optician lensed the glasses while we waited.
lensadjective
Relating to or designed for use with a lens or lenses.