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

Closed-loop focal positioning system and method

Closing module for an optical arrangement

Cluster lens system such as for use in photographic printers

Clutch apparatus for zoom lens barrel

Clutching jig