Sigma AF 300mm f/4 APO MACRO HSM Canon EF

Weight: 1470
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: Low dispersion glass elements
Type: Lens
Functions: Focusing motor for Nikon F, ultrasonic motor, macro mode, internal focusing
Length: 196.7 mm
Diameter: 90.5 mm
Focal length: Permanent
Lens type: Telephoto lens
Minimum focus distance: 1.2 m
Auto focus: There is
Focal length of prime lens: 300 mm
Bayonet: Canon EF
Filter thread diameter: 77 mm
Aperture F at min. focal length: 4
Minimum aperture F: 32
Number of aperture blades: 9
Minimum viewing angle: 8.12 deg.min
Number of element groups: 7
Number of elements: 10