OPTICAL INSTRUMENT Synonyms

• equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)

• television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam

• a long slender medical instrument for examining the interior of a bodily organ or performing minor surgery

• magnifier of the image of small objects

• an optical instrument that provides a view of an otherwise obstructed field

• an optical instrument for spectrographic analysis

• a medical instrument for listening to the sounds generated inside the body

• a magnifier of images of distant objects

• crush together or collapse

• make smaller or shorter

• An optical instrument used for seeing inside tight spaces, consisting of a rigid or flexible tube with an optical relay inside so that the view through a lens or window at one end of the tube may be seen from a lens or eyepiece in the opposite end of the tube.

• A monocle.

• (retronym) A monocular telescope, as opposed to binoculars.

• Having one eye.

• Related to a monocle.

• Of any optical system suitable for use by one eye at a time.

• an instrument used by surveyors