This Olympus Zuiko OM lens fits Olympus OM manual cameras. Features of this 35 mm-70 mm f/4 lens include an automatic, full-aperture metering diaphragm and a two-touch design. In addition, this Olympus camera lens accepts a 55 mm threaded filter to add an artistic touch to an image. Minimum photographic range for this Olympus camera lens is 48 cm by 72 cm at the 35 mm focal length and 25 cm by 37.5 cm at the 70 mm focal length. The distance scale is graduated in m from 0.75 m to infinity. An independent zooming ring allows users to get up close and personal with the subject and control the zoom for additional control. The diameter on this Olympus camera lens is 6.8 mm and length is 7.1 cm at the 70 mm setting. Furthermore, focussing with the Olympus Zuiko OM lens is done via the rotating helicoid focussing system. To provide convenience in storage, the rubberised 57 mm screw-in lens hood on this 35 mm-70 mm f/4 lens can be reversed.