Pentax SMC FA 50mm f/1.4

Weight: 220 g
Brand: Pentax
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: 37 mm
Diameter: 65 mm
Focal length: Permanent
Lens type: Standard
Max viewing angle: 47 degrees min
Minimum focus distance: 0.45 m
Auto focus: There is
Focal length of prime lens: 50 mm
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 49 mm
Aperture F at min. focal length: 1.4
Minimum aperture F: 22
Number of element groups: 6
Number of elements: 7