Home › Words › O › optigraphoptigraphoptigraph means A telescope with a diagonal eyepiece, suspended vertically in gimbals by the object end beneath a fixed diagonal plane mirror. It is used for delineating landscapes by means of an attached pencil.EtymologyCompare French opticographe.nounA telescope with a diagonal eyepiece, suspended vertically in gimbals by the object end beneath a fixed diagonal plane mirror. It is used for delineating landscapes by means of an attached pencil.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.eidograph 65% match — A pantograph-like (instrument for copying drawings on the same or a different scale) vs optigraph →oroheliograph 65% match — A camera for obtaining a circular panoramic view of the horizon. The photographic plate is placed horizontally with a vertical lens above. A specially-shaped mirror reflects light from the entire horizon to the lens, by means of which it is focused upon the plate. vs optigraph →astrograph 64% match — A telescope designed and used for astronomical photography. vs optigraph →vectograph 64% match — A kind of stereoscopic print or transparency to be viewed with polarized 3D glasses. vs optigraph →perspectograph 64% match — An instrument for obtaining, and transferring to a picture, the points and outlines of objects, so as to represent them in their proper geometrical relations as viewed from a single point. vs optigraph →spherograph 63% match — An instrument for facilitating the practical use of spherics in navigation and astronomy, constructed of two cardboards containing various circles, turning upon each other in such a manner that any possible spherical triangle may be readily found, and the measures of the parts read off. vs optigraph →teleiconograph 63% match — A combination of the camera lucida and telescope for drawing and measuring distant objects. vs optigraph →orograph 63% match — A machine for use in making topographical maps, operated by being pushed across country, and recording distances and elevations. vs optigraph →