Binocular night vision goggles, where one ocular could be moved from the beam path

Binocular light-amplifying viewer which can be worn on the head, comprising a single light amplifier (2) with an input plane (3) and an output plane (6) for production of a bright image of a scene projected on the input plane, a lens (1) for projecting a scene existing in the direction of the line of sight (19) for the viewer towards the input plane (3), and an observation unit comprising a reflecting element, a beam divider (14), and two eyepieces (13A, 13B) adapted to allow viewing the image formed on the output plane of the light amplifier, wherein a mirror element (20) is arranged in order to reduce the forwardly directed construction length placed between the observed scene and the light amplifier, and optical axes of the eyepieces, when the light amplifying viewer is worn on the head, are situated in a horizontal plane which is separated from a horizontal plane in which a line of sight of the viewer is situated, wherein one of the two eyepieces (13A) and the reflecting element are mechanically releasable as a unit from a remainder of the viewer, so that instead an opening with a free through-view for the eye originally associated with said one of two eyepieces is provided, the viewer functioning monocularly with light amplification at a remaining eyepiece, and with the other eye.