optical instrument

Thesaurus

Noun

1.

optical instrument - an instrument designed to aid vision binoculars, field glasses, opera glasses - an optical instrument designed for simultaneous use by both eyes esophagoscope, oesophagoscope - an optical instrument for examining the inside of the esophagus instrument - a device that requires skill for proper use jeweler's glass - an optical instrument used by jewelers; has one or more lenses and is used to view features not readily seen lens, lens system, lense - a transparent optical device used to converge or diverge transmitted light and to form images periscope - an optical instrument that provides a view of an otherwise obstructed field projector - an optical instrument that projects an enlarged image onto a screen sights - an optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument eyeglasses, glasses, specs, spectacles - optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision prism spectroscope, spectroscope - an optical instrument for spectrographic analysis