Sony 28mm f/2.8 SAL-28F28

Weight: 185 g
Brand: Sony
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
Focal length: Permanent
Lens type: Wide angle
Max viewing angle: 75 deg.min
Auto focus: There is
Focal length of prime lens: 28 mm
Bayonet: Minolta A
Filter thread diameter: 49 mm
Aperture F at min. focal length: 2.8
Minimum aperture F: 22
Number of aperture blades: 5
Number of element groups: 5
Number of elements: 5