Cemented plastic lens

Ceramic hybrid lens and method for manufacturing the same

Changer of spherical field

Chirped metamaterials

Chromatic aberration correcting element and its application

Chromatic aberration correcting element and its application

Chromatic aberration correcting objective lens system for inform

Chromatic vignetting in lens systems

Circumferentially emitting luminaires and lens-elements...

Circumscribing ray route lens, the system condensing light...

Clamping apparatus for clamping optical element

Clamping apparatus for clamping optical element

Clamping fixture and method for washing optical members

Click-stop mechanism provided between two relatively...

Clicking device having a rotary member with teeth engageable wit

Close-up attachment lens

Close-up attachment lens

Close-up lens, imaging apparatus, and method for focusing...

Close-up photographing lens

Closed-loop focal positioning system and method