Saburo Sugawara

Rear focus type zoom lens

Stereoscopic image display method, and stereoscopic image display apparatus using the method

LCD having a shading layer exhibiting a different reflection characteristic from reflection electrodes

Optical system, projection optical system, image projection apparatus having it, and image pickup apparatus

Light source device, illuminating system and image projecting apparatus

Zoom lens for projecting video image

Retrofocus type lens

Zoom lens and projector using the same

Projection lens apparatus having a plurality of lens groups to perform zooming

Optical system for photographing a stereoscopic image, zoom lens and image pickup optical system