There is a new MS Optics Sonnetar 50mm f/1.3 lens for Leica M-mount from Miyazaki San (priced around $900) – here are the Google translated details: MS Optical original design MS Optical Sonnetar 50/f1.3 rangefinder lens in Leica M mount designed, manufactured, and hand-assembled in Japan by Mr. Sadayasu Miyazaki. 5 elements in 4 groups … Continue reading New: MS Optics Sonnetar 50mm f/1.3 lens for Leica M-mount by Mr. Miyazaki