Sigma AF 14mm f/1.8 DG HSM Art Nikon F

Brand: Sigma
Description: Mount: Mamiya 645, lens type: standard, focal length: variable, min. focal length: 55 mm, max. focal length: 110 mm, aperture F at min. focal length: 4.50, aperture F at max. focal length
Type: Lens
Functions: Focusing motor for Nikon F, ultrasonic motor, internal focusing
Focal length: Permanent
Lens type: Wide angle
Minimum focus distance: 0.27 m
Auto focus: There is
Focal length of prime lens: 14 mm
Bayonet: Nikon F
Aperture F at max. focal length: 1.8
Aperture F at min. focal length: 1.8
Minimum aperture F: 16
Number of aperture blades: 9
Number of element groups: 11
Number of elements: 16