wide-angle lens designed for 16 mm cinema cameras. There are two variants - Mir-11 with a Krasnogorsk bayonet mount, and the more common Mir-11M with an M32 mount, specifically made for the Kiev 16U. It has a focal length of 12.5mm and a maximum aperture of f/2.0. References External links Flektogon Russian sources D.S. Volosov, «Photographic optics (theory, design basics, optical characteristics)», 2nd revised edition, Moscow, «Iskusstvo» Publishing House, 1978. Mir-1, Mir-5, Mir-6, Mir-10, Mir-20, Mir-24, Mir-46, Mir-47, Mir-51, Mir-61 Soviet photographic lenses