Housing for crystal accommodated in its interior with polished o
Housing structure for fixedly holding lens array
Humidity tolerant scan lens
Humidity tolerant scan lens
Hybrid lens and projection optical system including the same
Hybrid lens system
Hybrid lens system
Hybrid lens system
Hybrid lens system and mobile phone employing the same
Hybrid microlens array
Hybrid optical barrel
Hybrid photographic objective
Hybrid, color-corrected, projection TV lens system
Hyperhemispherical field of view optical sensor head
Illuminated cursor magnifying glass
Illuminated magnifier reading apparatus
Illuminated magnifying lens assembly
Illuminated optical apparatus
Illuminated optical enlargement device
Illuminating optical apparatus and method