Mamiya AF 55mm f/2.8 M645

Weight: 442 g
Brand: Mamiya
Description: Bayonet mount: Mamiya 645, lens type: wide-angle, focal length: fixed, autofocus, prime lens focal length: 55 mm, aperture F at min. focal length: 2.80, functions: focusing
Type: Lens
Functions: Focusing motor for Nikon F
Length: 59.4 mm
Diameter: 70 mm
Focal length: Permanent
Lens type: Wide angle
Max viewing angle: 64 degrees min
Minimum focus distance: 0.45 m
Auto focus: There is
Focal length of prime lens: 55 mm
Bayonet: Mamiya 645
Filter thread diameter: 58 mm
Aperture F at min. focal length: 2.8
Minimum aperture F: 22
Number of element groups: 6
Number of elements: 7