Tamron SP AF 14mm f/2.8 Aspherical IF 69E Pentax KA/KAF/KAF2

Brand: Tamron
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, internal focusing
Diameter: 86.5 mm
Focal length: Permanent
Lens type: Wide angle
Minimum focus distance: 0.2 m
Auto focus: There is
Focal length of prime lens: 14 mm
Bayonet: Pentax KA/KAF/KAF2/KAF3
Aperture F at min. focal length: 2.8
Minimum aperture F: 22
Minimum viewing angle: 113.8 deg.min
Number of element groups: 12
Number of elements: 14