An Eye Box-concept suggests a certain axial and lateral space to place the iris. The human eye oversees the complete imaged field only in a position when the iris is placed in the Exit pupil (XP) of the NED. The reason is the diameter of the NED-XP, which could be much larger than with classical optical instruments. Very often, this position is quite close to the last optical NED-surface. If the LMK aims to capture the complete NED-field of view, the LMK entrance pupil (EP) has to be located inside the NED-XP. Therefore, a universal LMK-lens design must have the aperture stop (resp. the EP) in front of all optical surfaces.
Exhibitor: TechnoTeam Bildverarbeitung GmbH