Binocular magnifier is designed to study small objects. Due to the stereoscopic nature of the magnifying glass, the details of the visible picture can be viewed in terms of their depth and shape, which is impossible when viewed through a monocular magnifying glass. Binocular magnifier can be used by engravers, engravers, collectors, because conveniently mounted on the head with a sliding rim, while the hands of the observer remain free.