US PATENT SUBCLASS 359 / 381
.~.~ Imaging elements movable in and out of optical axis

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}
381.~.~ Imaging elements movable in and out of optical axis

DEFINITION

Classification: 359/381

Imaging elements movable in and out of optical axis:

(under subclass 368) Subject matter wherein an imaging element is selectively positionable in or out of the optical axis to change the image distance or image size.

SEE OR SEARCH THIS CLASS, SUBCLASS:

421, for a telescope with selective magnification.