Decentering adjustment method for a lens, and a lens device...

Detachable zoom lens assembly

Device for detecting zoom lens positions and apparatus employing

Device for determining focal position of zoom lens

Device for driving object lens

Device for equalizing the back foci of objective and camera

Digital camera imaging lens

Digital camera using an express zooming mode to provide...

Digital camera using multiple lenses and image sensors to...

Diopter adjusting device

Diopter movement type of finder optical system for single-lens r

Disk structure, manufacturing method thereof and optical...

Display device

Document camera having zoom-indication function

Downsize, high performance, and wide range magnification...

Downsize, high performance, and wide range magnification...

Drive apparatus for zoom lens barrel

Drive apparatus for zoom lens barrel

Drive apparatus for zoom lens barrel

Drive apparatus for zoom lens barrel