The Koni-Omega Hexanon 90mm f/3.5 is a lens designed for the Koni-Omega medium format camera system, which uses 6×7cm film. Its 90mm focal length provides a field of view suitable for general photography, portraits and documentary work. Konica's Hexanon lenses are known for their solid optical performance and robust construction. This lens is a useful addition for photographers working with the Koni-Omega system and for collectors of professional medium format equipment. Serial number: 374113.