WIDE-ANGLE LENS WITH REMOTE INPUT APERTURE Russian patent published in 1997 - IPC

FIELD: TV systems, in particular, for candid camera screening. SUBSTANCE: device has three lens components, first of which is positive meniscus which concave radius is directed towards objects and width of optical axis is at least 0.5 f, where f is focus of lens. Positive meniscus may be made from concavo-concave and convexo-convex lenses. Second component is positive convexo- convex lens or flat-convex. Third component is made from convexo-convex and concavo-concave lenses. EFFECT: increased functional capabilities. 4 cl, 6 dwg , 1 tbl