optical instrument
/'ɑptɪkəl_'ɪnstrəmənt/
Definition that contains optical instrument
- field the area that is visible (as through an optical instrument)
- glasses (plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision
- sights an optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument
- binoculars (plural) an optical instrument designed for simultaneous use by both eyes
- specs (plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision
- projector an optical instrument that projects an enlarged image onto a screen
- spectacles (plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision
- periscope an optical instrument that provides a view of an otherwise obstructed field
- eyeglasses (plural) optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision
- ocular combination of lenses at the viewing end of optical instruments