The Vivitar MC Macro Focusing Zoom 35-70mm lens is designed for Nikon 1 mount cameras. It has a maximum aperture of f/3.5-4.5 and a focal length of 35-70mm. The lens is a macro/close-up type with a zoom focus. It is compatible with 55mm filters and has a compatible lens front of 55mm. The lens is made in Japan and is part of the Nikon AI-S series.