Sigma AF 18-250mm f/3.5-6.3 DC OS HSM Macro Sigma SA

Weight: 470 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
Length: 88.6 mm
Diameter: 73.5 mm
Max. focal length: 250 mm
Min. focal length: 18 mm
Focal length: Variable
Lens type: Standard
Zoom ratio: 13.9x
Max viewing angle: 76.5 deg.min
Minimum focus distance: 0.35 m
Auto focus: There is
Image stabilization: There is
For non-full frame cameras only: Yes
Bayonet: Sigma SA
Filter thread diameter: 62 mm
Aperture F at max. focal length: 6.3
Aperture F at min. focal length: 3.5
Minimum aperture F: 22
Number of aperture blades: 7
Minimum viewing angle: 65 deg.min
Number of aspherical elements: 3
Number of element groups: 13
Number of low dispersion elements: 1
Number of elements: 16