Leica Summaron-M 28mm f/5.6

Weight: 135 g
Brand: Leica Camera
Description: Mount: Leica M, lens type: wide-angle, focal length: fixed, prime lens focal length: 28 mm, aperture F at min. focal length: 5.60, Aperture F at max. focal length: 5.60
Type: Lens
Length: 51 mm
Diameter: 18 mm
Focal length: Permanent
Lens type: Wide angle
Minimum focus distance: 1m
Focal length of prime lens: 28 mm
Bayonet: Leica M
Filter thread diameter: 34 mm
Aperture F at max. focal length: 5.6
Aperture F at min. focal length: 5.6
Minimum aperture F: 22
Number of aperture blades: 8
Number of element groups: 4
Number of elements: 6