Dallmeyer Super-Six Anastigmat 51mm f/1.9 Mod. To Leica M

Brand: Dallmeyer
Serial Number: 706092
Condition (appearance): A-
Condition (Optical): A-
Item Included: Front Cap, Rear Cap
Product ID: BZ0075
product description

the dallmeyer super-six has the fastest aperture of f1.9, composits of double gauss type glass design, limited production. 6 elements 4 groups