(historical) A photographic lens consisting of two doublet lenses with an aperture stop in between.

plural of lens cap

plural of lens flare

(optics) a positive-powered lens or group of lenses that comes after the objective lens and before the image plane or the eyepiece, serving to change the size of the image

(photography) A camera lens that is bundled with a camera body, usually at a discount price.

A lens with a number of facets, causing an object to appear multiplied many times.

(optics, astronomy) A diverging lens which, used in series with other optics in an optical system, increases the effective focal length of an optical system as perceived by all components that are after it in the system.

A quartz crystal lens used in spectacles.

plural of lens brush

(photography) a small brush used to clean dust off camera lenses.