Leica M 2/90mm Apo-Summicron-M ASPH. Prototype Elcan Canade Production ELC
One of the earliest Leica Apo-Summicron-M lenses produced as a sample by ELCAN (Leitz Canada), and among the last lenses manufactured by Leitz Canada in 1995. These prototypes were produced prior to the transfer of production to Germany.