US PATENT SUBCLASS 356 / 127
.~ Optical center, cylinder axis, or prism measuring or determining

Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

124  DF  LENS OR REFLECTIVE IMAGE FORMER TESTING {3}
127.~ Optical center, cylinder axis, or prism measuring or determining

DEFINITION

Classification: 356/127

(under subclass 124) Subject matter comprising means for determining the optical center of a lens, the prism or deviation of the optical center from the geometrical center of a lens, or the axis of the cylinder of a lens.

(1) Note. See (1) Note under subclass 124 with reference to related subject matter.