Lente vintage KMZ Helios 44 plata 13 hojas de apertura! 58 mm f/2 M39 URSS
Soviet KMZ Helios 44 Silver M39 13 Blades 58mm f/2 Lens Used. They do not carry technical information. I apply maximum efforts to work better and better. Two bubbles are visible inside the lenses (from the factory).