US PATENT SUBCLASS 396 / FOR 872
.~.~.~ Diaphragm opens for focusing or viewing (354/232)

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

FOR 842  DF  CAMERA DETAILS (354/202) {10}
FOR 866  DF  .~ Shutter (354/226) {10}
FOR 868  DF  .~.~ Having diaphragm (354/228) {4}
FOR 872.~.~.~ Diaphragm opens for focusing or viewing (354/232)

DEFINITION

Classification: 396/FOR.872

Diaphragm opens for focusing or viewing: (354/232)

Subject matter under subclass FOR 868 having means for moving the blades of a diaphragm to allow the maximum amount of light to pass through for focusing or viewing or means to

hold the blades of a diaphragm fully open until the shutter release is actuated.