Sigma AF 19mm f/2.8 DN Art Micro 4/3

Weight: 160 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
Length: 45.7 mm
Diameter: 60.8 mm
Focal length: Permanent
Lens type: Wide angle
Minimum focus distance: 0.2 m
Auto focus: There is
Focal length of prime lens: 19 mm
Bayonet: Micro 4/3
Filter thread diameter: 46 mm
Aperture F at max. focal length: 2.8
Aperture F at min. focal length: 2.8
Minimum aperture F: 22
Number of aperture blades: 7
Number of aspherical elements: 3
Number of element groups: 6
Number of elements: 8