After the Schneider-Kreuznach Componon-S 50mm f/2.8 lens, the Japanese retailer Shoten Kobo (Focus Studio) released a new modified Schneider-Kreuznach APO-Componon 45mm f/4 lens for Leica M-mount in limited quantity. Additional informtion is available here: Compatible Mounts Leica M Focal length 46.5mm Lens construction/MTF diagram available here Supported image size 35mm full size (image circle: 43.2mm) focus MF … Continue reading New: modified Schneider-Kreuznach APO-Componon 45mm f/4 lens for Leica M-mount