Optical near-field generating element and optical apparatus...
Optical part, lens barrel, and camera
Optical path switching device and method
Optical pickup device
Optical pickup device
Optical plate for an imaging camera
Optical scanning device
Optical stop apparatus and exposure apparatus having the same
Optical system
Optical system for endoscopes
Optical system for merging a first and a second partial...
Optical system for processing a light beam
Optical system for variable direction of view instrument
Optical system for visualizing an object in a light...
Optical system with extended boresight source
Optical transmission system and light radiating method
Optical transmitter and receiver arrangement
Optical trapping skirt for adjusting the diameter of a beam...
Optical waveguide device, and light source device and...