TTArtisan 21mm f/1.5 lens for Leica M-mount

Focal length: 21mm Maximum aperture: F1.5 Minimum aperture: F16 Frame Type: Full-frame Blades numbers: 10pcs Lens Construction: 11 groups,13 elements Focusing method: Manual focusing Lens anti-shake: Without anti-shake Aperture ring: Clicked Aperture Closest focus: 0.7m Lens material: Metal “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. In the humanities theme, the background can display information while obtaining a spatial stereoscopic effect. A wide enough perspective can be obtained in the creation of scenery.”