TTArtisan 21mm F1.5 ASPH Full Fame Camera Lens for Leica M

Only suitable for mirrorless cameras, not suitable for DSLR cameras 17mm——Street Photography & Documentary Photography Mixing a comfortable wide-angle design with an ultra-fast maximum aperture, the 17mm f/1.4 lens is designed for use with APS-C-format mirrorless cameras and provides a 25mm equivalent focal length. The optical structure of this lens is 9 elements in 8 groups and the angle of view is 81° . Characterized by its bright f/1.4 maximum aperture, this lens is adept at working in low-light conditions and also affords increased control over depth of field for selective focus control. It's a fast and portable lens well-suited to landscape, nature, and street photography. Widely Used Focal Length: Humanistic Photography: People and objects can achieve a good balance in the picture, shooting with 17mm lens. So it is well-suited to everyday shooting with subjects including street, landscopae and reportage, which are memorable. Wide Abgle Lens But Not Hard to Handle: With the f