US PATENT SUBCLASS 359 / 383
.~.~.~ Focus adjustment

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

362  DF  COMPOUND LENS SYSTEM {8}
368  DF  .~ Microscope {10}
382  DF  .~.~ Entire microscope adjustable along optical axis {1}
383.~.~.~ Focus adjustment

DEFINITION

Classification: 359/383

Focus adjustment:

(under subclass 382) Subject matter wherein the adjustment along the optical axis effects the focus of the compound optical system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

410, for binocular telesopes with adjustable focus.

425+, for telescopes with focusing.