Leitz Leica Black and Nickel 135mm 1:4.5 Elmar 1931/2, Flat Black Caps
135mm 1:4.5 Elmar screw mount lens. An early version of the 135mm f4.5 Elmar. Leitz Leica. Black and nickel. Scale in feet. Supplied complete with flat black paint front cap and uncommon shallow black paint rear cap.