Easily connect your microscope to a camera Magnification power of 2X. Metal construction. Works on monocular (eye tube), binocular (eye tube) or trinocular photo/video port Compatible with Nikon F-Mount SLR and DSLR cameras which support non-CPU lenses. Mounting sizes on microscope side are 23.2 mm, 30 mm or 30.5 mm. With two adapters included, it offers three microscope mounting sizes, 23.2 mm, 30 mm, and 30.5 mm, fitting most compound and stereo microscopes. Camera and microscopes sold separately. Two adapters for converting 23.2 mm to 30 mm and 30.5 mm.