Sigma AF 500mm f/4.5 APO EX HSM Minolta A

Weight: 3100 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: 349.5 mm
Diameter: 123 mm
Focal length: Permanent
Lens type: Telephoto lens
Minimum focus distance: 4 m
Auto focus: There is
Focal length of prime lens: 500 mm
Bayonet: Minolta A
Filter thread diameter: 46 mm
Aperture F at min. focal length: 4.5
Minimum aperture F: 32
Number of aperture blades: 9
Minimum viewing angle: 5 deg.min
Number of element groups: 9
Number of low dispersion elements: 2
Number of elements: 12