Carl Zeiss AG Press Release: Oberkochen, August 15, 2006. The Zeiss Ikon SW is the 35mm precision camera for uncompromising superwide photographers. Its lens mount takes any lens with M bayonet, in particular the ZEISS high performance superwide-angle lenses Distagon T* 2,8/15mm ZM and the Biogon T* types from the ZEISS ZM range. An accessory [...]