Pentax SMC FA 600mm f/4.0 ED IF

Weight: 7000 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, internal focusing
Length: 456.5 mm
Diameter: 176 mm
Focal length: Permanent
Lens type: Telephoto lens
Max viewing angle: 4.1 deg.min
Minimum focus distance: 5 m
Auto focus: There is
Focal length of prime lens: 600 mm
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 150 mm
Aperture F at min. focal length: 4
Minimum aperture F: 32
Number of element groups: 7
Number of elements: 9