MC Volna-9 MACRO, 50 mm F/2.8, USSR Objektiv für Zenit, Pentax. M42 Halterung! s/n:861828
M42 screw mount! The MC Volna-9 MACRO 50mm / f:2,8 a best macro lens made by during the Soviet era. It was available in the M42 lens mount. Lens mount: M42. (Adapter not included). Focal length: 50mm.