Does the generated light preserve the incoming direction of the source IR? If not, then you'll still need some sort of lens to focus the IR onto the film, and t

Does the generated light preserve the incoming direction of the source IR? If not, then you'll still need some sort of lens to focus the IR onto the film, and then (if your eye is close to the film) another lens to let you focus on the film. So, nothing like the concept image of glasses enhancing the scenery.