This is what distinguishes any stereoscopic microscope: it renders 3D images of observed objects. Bresser National Geographic 20x Stereo Microscope is best suited for studying large and medium objects: insects, minerals, and leaves. Binocular head, 20x magnification, and lightweight and compact body make this device the best companion for spending time outdoors and studying any sample right on the spot. It is also equipped with an interpupillary distance adjustment mechanism. The specimens kit includes 12 minerals for study.