US PATENT SUBCLASS 396 / 72
HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

72HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE {7}
73  DF  .~> Lens moves in or out of light path {2}
76  DF  .~> Manually selected preset zoom position or range
77  DF  .~> Automatic change of focal length {1}
79  DF  .~> Having focus operation {2}
84  DF  .~> Having direct viewfinder
85  DF  .~> Power zoom {2}
88  DF  .~> Having indicator

DEFINITION

Classification: 396/72

HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE:

(under the class definition) Subject matter having camera structure and means to change the focal length of an exposure objective.

SEE OR SEARCH THIS CLASS, SUBCLASS:

60, for a camera with pseudo zoom capability.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

676+, for a lens, per se, with variable magnification (e.g., zoom).