Sigma AF 18-50mm f/2.8-4.5 DC OS HSM Canon EF-S

Weight: 395 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, internal focusing
Length: 88.6 mm
Diameter: 74 mm
Max. focal length: 50 mm
Min. focal length: 18 mm
Focal length: Variable
Lens type: Standard
Zoom ratio: 2.8x
Max viewing angle: 69.3 deg.min
Minimum focus distance: 0.3 m
Auto focus: There is
Image stabilization: There is
For non-full frame cameras only: Yes
Bayonet: Canon EF-S
Filter thread diameter: 67 mm
Aperture F at max. focal length: 4.5
Aperture F at min. focal length: 2.8
Minimum aperture F: 22
Number of aperture blades: 7
Minimum viewing angle: 27.9 deg.min
Number of aspherical elements: 3
Number of element groups: 12
Number of low dispersion elements: 2
Number of elements: 16