(under subclass 642) Subject matter wherein the lens is combined with a nonlens light-refracting element through which element the light must pass during the normal operation of the lens.
(1) Note. The refracting element is employed to redirect the optical axis of the lens (e.g., prisms).
SEE OR SEARCH THIS CLASS, SUBCLASS:
503+, for extended spacing structure employing diverse refractive light deflectors.
669, for amorphous refracting elements in the form of prisms.
