The new TTArtisan 21mm f/1.5 lens for Leica M-mount is now available for purchase online at Amazon. Additional information: Update: TTartisan lenses are available for sale at the PhotoRumors Online Store with free international shipping. Focal length: 21mm Maximum aperture: F1.5 Minimum aperture: F16 Frame Type: Full-frame Blades numbers: 10pcs Lens Construction: 11 groups,13 elements … Continue reading The new TTArtisan 21mm f/1.5 lens for Leica M-mount is now available for purchase at Amazon