释义 |
iconometer
iconometer (ˌaɪkəˈnɒmɪtə) nan instrument for finding the size of an object by measuring its imageiconometer
iconometer[‚ī·kə′näm·əd·ər] (optics) An instrument used to find the size of an object of known distance or the distance of an object of known size by measurement of the image of it produced by a lens whose focal length is known. A direct viewfinder with a metal frame. |