Voigtlander 40mm f/1.4 Black Nokton SC Leica M Lens Small Fast Compact 40mm f/1.4 Leica M mount Lens fits ALL Leica M Cameras Single Coated - preferred by many for B/W work Rangefinder Coupled to .7 meter, Mirrorless Focus to .5 meter Easily Adaptable to All Sony NEX, M43, and Fuji X cameras with proper adapter Weighs only 7 oz!