Lens barrel with screw mount

Lens barrier mechanism for use in a camera

Lens holding device capable of adjusting lens position

Lens holding structure

Lens mount for video camera

Lens position controller with lens movement direction detection

Lens supporting device

Lens system having predetermined focusing power in different med

Lens with moveable diaphragm

Light amount control unit

Light beam receiver for a laser positioning device

Light intercepting apparatus of movable lens barrel

Light resolution element for irradiating dental replacement...

Light-emitting apparatus

Light-projecting device

Linear guiding mechanism of a zoom lens barrel of a photographin

Liquid crystal cell with picture electrode interference layer co

Low loss prism retroreflectors for relative index of...

Means to achieve a square intensity profile at an image plane by

Medical device for lighting a treatment field