Operating microscope with drape and suction means for removing a
Optical beam guidance system and method for preventing...
Optical device for use under significantly varying ambient...
Optical element and optical equipment incorporating the same
Optical element with an anti-fog layer and method for its...
Optical element with reduced reflectance
Outside mirror for a vehicle
Outside mirror for vehicle including a vibrator fixed to a one-p
Outside rear view mirror for a motor vehicle