Focusable front projection lens systems for use with large scree

Focusable, color corrected, high performance projection lens sys

Foldable projection lenses

Folded, telecentric projection lenses for use with pixelized...

High performance, thermally-stabilized projection television len

High speed retrofocus projection television lens systems

High speed wide angle projection TV lens system

High-aperture projection lens

High-resolution high-apertured objective

Hybrid, color-corrected, projection TV lens system

Illumination apparatus and projection exposure apparatus

Illumination optical apparatus and optical apparatus

Illumination optical system and method of making exposure...

Illumination optical system, exposure apparatus, and device...

Illumination system and exposure apparatus

Illumination system with reduced energy loading

Illumination unit, projecting engine and method for...

Image projection lens

Image-forming optical system

Imaging lens system with high resolution and compact size