Sigma AF 180mm f/3.5 EX IF HSM APO MACRO Nikon F

Weight: 965 g
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, macro mode, internal focusing
Length: 182 mm
Diameter: 80 mm
Focal length: Permanent
Lens type: Macro lens
Max viewing angle: 13.7 deg.min
Minimum focus distance: 0.46 m
Auto focus: There is
Focal length of prime lens: 180 mm
Bayonet: Nikon F
Filter thread diameter: 72 mm
Aperture F at min. focal length: 3.5
Minimum aperture F: 32
Number of aperture blades: 9
Number of element groups: 10
Number of low dispersion elements: 2
Number of elements: 13