Sigma 28mm f/1.4 DG HSM Art for Sony E

Weight: 865 g
Brand: Sigma
Description: Mount: Sony E, lens type: wide-angle, focal length: fixed, autofocus, prime lens focal length: 28 mm, aperture F at min. focal length: 1.40, aperture F at max. fork
Type: Lens
Functions: Focusing motor for Nikon F
Length: 107.7 mm
Diameter: 82.8 mm
Focal length: Permanent
Lens type: Wide angle
Minimum focus distance: 0.28 m
Auto focus: There is
Focal length of prime lens: 28 mm
Bayonet: Sony E
Filter thread diameter: 77 mm
Aperture F at max. focal length: 1.4
Aperture F at min. focal length: 1.4
Minimum aperture F: 16
Number of aperture blades: 9
Security: Dustproof, waterproof
Number of aspherical elements: 3
Number of element groups: 12
Number of low dispersion elements: 5
Number of elements: 17