The present invention provides a rapid, high quality iris imaging system. In one embodiment, on-axis illumination is used. A single steering mechanism steers both the camera and the illumination, without parallax issues. The illumination beam can be combined along the camera's optical axis before or...http://www.google.fr/patents/US8092021?utm_source=gb-gplus-shareBrevet US8092021 - On-axis illumination for iris imaging
