TTArtisan 21mm F1.5 ASPH Full Fame Lens For Leica M-Mount M3 M6 M9 M240 Camera
The lens structure of TTArtisan M21/1.5 is 11 sets of 13 pieces and the length is 70mm. The large aperture of the F1.5 is matched with the wide-angle focal length of 21mm. A wide enough perspective can be obtained in the creation of scenery.