Samyang 135mm f/2 ED UMC Nikon F

Weight: 835 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: 199.6 mm
Diameter: 82 mm
Max. focal length: 135 mm
Min. focal length: 135 mm
Focal length: Permanent
Lens type: Telephoto lens
Focal length of prime lens: 135 mm
Bayonet: Nikon F
Filter thread diameter: 77 mm
Aperture F at max. focal length: 2
Aperture F at min. focal length: 2
Minimum aperture F: 22
Number of aperture blades: 9
Number of element groups: 7
Number of low dispersion elements: 1
Number of elements: 11