Amount-of-light adjusting device

Aperture and lens mechanism

Aperture apparatus

Aperture apparatus

Aperture device for a camera

Aperture diaphragm, imaging device, and method of...

Aperture mechanism, optical apparatus and manufacturing...

Aperture selection mechanism for camera

Aperture switching device

Automatic diaphragm apparatus for lens

Camera module

Camera with electrostatic light valve that functions as...

Diaphragm

Diaphragm device

Diaphragm unit, lens barrel, and imaging apparatus

Diaphragm unit, light intensity adjusting device, lens...

Exposing aperture device for a camera

Exposure adjusting device for a camera

Exposure control apparatus used for a camera

Exposure controlling device and encoder for camera