E. Leitz Wetzlar F:4.5 SUMMAR 120 mm Makro-/Mikroobjektiv 36 mm Einschrauben ca. 1940
E. Leitz Wetzlar F:4.5 SUMMAR 120mm. This is one of the lenses designed for the Leitz Aristophot System for photomicrography and photomacrography. Macro / Micro Lens 36mm Screw-In Type Made in 1940's.