US PATENT SUBCLASS 396 / 79
.~ Having focus operation

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

72  DF  HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE {7}
79.~ Having focus operation {2}
80  DF  .~.~> Including focus/distance detecting circuit {2}
83  DF  .~.~> Having mechanical interlock

DEFINITION

Classification: 396/79

Having focus operation:

(under subclass 72) Subject matter including means to adjust the sharpness of an object image for focus compensation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

89+, for camera exposure objective focusing, in general.

, FOR 700+, for foreign art collections involving automatic camera focusing.

, FOR 835+, for foreign art collections involving manual camera focusing.