general/lenses

Special lens with a conical surface

Optical lens used to increase focal length

Type of lens

Type of optical lens

Type of optical lens

Technology for making moving images

Type of lens

Lens with a thickness that is negligible

Lens that is designed to limit the effects of chromatic and spherical aberration

Small lens, generally with a diameter less than a millimetre

Optical device which transmits and refracts light

Lens or mirror in optical instruments

Type of photographic or other lens

Type of transmissive optical device

Lens that stays in focus when zooming