Automatic fast focusing infinitely variable focal power lens uni

Automatic focusing apparatus for a telephotographic system

Automatic focusing method for digital image processing...

Automatic zooming device

Automatically focusing an optical instrument having a lens...

Auxiliary imaging lens and imaging apparatus using the same

Auxiliary lens attachment

Auxiliary lens attachment for an optical device

Auxiliary lens with liquid element for correcting secondary colo

Aviator's night vision imaging system non-rotational...

Axial-symmetric joint of high thermal load capacity

Axially displaceable aligning mount for optical components,...

Axially-graded index-based couplers

Axially-graded index-based couplers for solar concentrators

Axis-adjustable optical device and optical instrument...