US PATENT SUBCLASS 359 / 695
.~.~.~ Three or more movable lens groups

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

642  DF  LENS {32}
676  DF  .~ With variable magnification (e.g., zoom type ) {6}
694  DF  .~.~ Adjusting mechanism {6}
695.~.~.~ Three or more movable lens groups

DEFINITION

Classification: 359/695

Three or more movable lens groups:

(under subclass 694) Subject matter wherein the optics to be adjusted includes three or more nonstationary combinations of lenses.