Sigma AF 24-70mm f/2.8 EX DG MACRO Nikon F

Weight: 715 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: Macro mode
Length: 115.5 mm
Diameter: 88.6 mm
Max. focal length: 70 mm
Min. focal length: 24 mm
Focal length: Variable
Lens type: Standard
Zoom ratio: 2.9x
Max viewing angle: 84.1 deg.min
Minimum focus distance: 0.32 m
Auto focus: There is
Bayonet: Nikon F
Filter thread diameter: 82 mm
Aperture F at max. focal length: 2.8
Aperture F at min. focal length: 2.8
Minimum aperture F: 22
Number of aperture blades: 9
Minimum viewing angle: 34.3 deg.min
Number of aspherical elements: 3
Number of element groups: 13
Number of low dispersion elements: 2
Number of elements: 14