US PATENT SUBCLASS 359 / 822
.~.~.~ Adjustable

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

642  DF  LENS {32}
811  DF  .~ With support {6}
819  DF  .~.~ Lens mounts {6}
822.~.~.~ Adjustable {1}
823  DF  .~.~.~.~> With axial adjustment (e.g., adjustable focus, etc.) {3}

DEFINITION

Classification: 359/822

Adjustable:

(under subclass 819) Subject matter wherein a parameter of the lens (e.g., focal length, etc.) is selectively varied.