Has anyone ever tested this claim by Cameraquest <https://www.cameraquest.com/> ? "The new Voigtlander 50mm f/3.5 Heliar IV Leica M Mount is extraordinarily sharp, comparable to Leica's 50mm f/2 APO Summicron-M!" It came around in an email circulation. It seems a bit over the top. Paul www.PaulRoark.com