Observation device

Obtaining ground truth for multispectral photography

Off-line cartridge for interactive keyboards containing...

Opaque projector

Opaque projector

Opaque projector

Operating means for photographic cameras

Operator supported remote camera positioning and control system

Operator supported remote camera positioning and control...

Opta

Optical apparatus

Optical apparatus for the reproduction of images, using a...

Optical assembly

Optical compensators for cinematography

Optical copying machine having mask with stepped elongated...

Optical data acquisition apparatus

Optical data record copier having array of lenses with field...

Optical device enabling the introduction of a collimated...

Optical docking station

Optical element such as a rear projection screen for an...