Samyang 85mm f/1.4 AS IF UMC Pentax KA/KAF/KAF2

Weight: 510 g
Brand: Samyang
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: Internal focus
Length: 73.2 mm
Diameter: 78 mm
Focal length: Permanent
Lens type: Telephoto lens
Minimum focus distance: 1m
Focal length of prime lens: 85 mm
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 72 mm
Aperture F at max. focal length: 1.4
Aperture F at min. focal length: 1.4
Minimum aperture F: 22
Number of aspherical elements: 1
Number of element groups: 7
Number of elements: 9