US PATENT SUBCLASS 396 / 73
.~ Lens moves in or out of light path

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

72  DF  HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE {7}
73.~ Lens moves in or out of light path {2}
74  DF  .~.~> Turret type
75  DF  .~.~> Motorized lens displacement

DEFINITION

Classification: 396/73

Lens moves in or out of light path:

(under subclass 72) Subject matter wherein a lens may be inserted or removed from the photos:graphic light path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

71, for a converter which may be removably attached to an exposure objective to vary focal length.

SEE OR SEARCH CLASS

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

672+, for a lens, per se, having selective magnification by exchanging a lens component.