There is a new MS Optics Sonnetar 73mm f/1.5 FMC lens for Leica M-mount (see eBay pricing) manufactured by Mr. Miyazaki in Japan. Here are the specification: 5 elements in 4 groups Filter and hood thread size 50 mm Size: diameter 49 mm, length 65 mm Weight 197 grams Focus: infinity to 0.8 meter Filter … Continue reading New: MS Optics Sonnetar 73mm f/1.5 FMC lens for Leica M-mount