US PATENT SUBCLASS 396 / FOR 815
.~.~ Cam means to actuate range finder (354/168)


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396 /   HD   PHOTOGRAPHY

FOR 809  DF  WITH RANGE FINDER (354/162) {1}
FOR 810  DF  .~ Range finder coupled with focusing (354/163) {6}
FOR 815.~.~ Cam means to actuate range finder (354/168)


DEFINITION

Classification: 396/FOR.815

Cam means to actuate rangefinder: (354/168)

Subject matter under subclass FOR 810 wherein the means to move the rangefinder is a surface of fixed points of varying distance from a fixed point which surface is in contact with a follower.