TTArtisan 50mm F1.4 ASPH Full Frame M-Mount Lens For Leica M M240 M5 M6 Camera
TTArtisan M50mm F1.4：. 50mm/F1.4 ASPH. The aspheric design corrects the image and solves the problem of distortion of the horizon. Maximum aperture: F1.4. Focal length: 50mm. Contains one aspherical lens and one abnormally dispersed lens.