Sigma AF 80-400mm F4.5-5.6 EX OS APO Canon EF

Weight: 1750
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
Additional Information: Can be used with EX series teleconverters
Type: Lens
Functions: Focusing motor for Nikon F, macro mode
Length: 192 mm
Diameter: 95 mm
Max. focal length: 400 mm
Min. focal length: 80 mm
Focal length: Variable
Lens type: Telephoto lens
Zoom ratio: 5x
Max viewing angle: 30.3 deg.min
Minimum focus distance: 1.8 m
Auto focus: There is
Image stabilization: There is
Bayonet: Canon EF
Filter thread diameter: 77 mm
Aperture F at max. focal length: 5.6
Aperture F at min. focal length: 4.5
Minimum aperture F: 32
Number of aperture blades: 9
Minimum viewing angle: 62 degrees min
Number of element groups: 14
Number of low dispersion elements: 3
Number of elements: 20