US PATENT SUBCLASS 359 / 705
.~.~.~ With macro type focusing

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}
705.~.~.~ With macro type focusing {1}
706  DF  .~.~.~.~> With specific ring means

DEFINITION

Classification: 359/705

With macro type focusing:

(under subclass 694) Subject matter wherein the adjusting mechanism permits focusing at very close object distances without loss of definition and without the need for front or rear attachments.