Dot sighting device
Double confocal scanning microscope
Double confocal scanning microscope
Double-resonance-absorption microscope
Drive mechanism of focusing device
Drive system for the motion of a moving equipment part
Drive system useful in a night vision device
Dual field of view multi wavelength sensor
Dual mounting assembly for night vision system
Dual optical path periscope
Dual-axis confocal microscope having improved performance...
Dual-path optical system
Dual-path optical system
Dual-view, immersible periscope
Dye laser system