The present invention relates to rendering electro-optical systems (thermal camera, camera, binoculars, sighting device, etc.) unusable (optical darkening). The inventive optical screening system, which prevents reuse of the electro-optical devices by destructing optical components thereof, essentially comprises at least one optical group consisting of the optical components of the electro-optical system,...
source Optical Component patent applications http://ift.tt/1zmDIuk
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source Optical Component patent applications http://ift.tt/1zmDIuk
via
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