Samyang 500mm f/8 MC IF Mirror Sony E

Weight: 330 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: 87.7 mm
Diameter: 77 mm
Focal length: Permanent
Lens type: Telephoto lens
Minimum focus distance: 1.7 m
Focal length of prime lens: 500 mm
Bayonet: Sony E
Filter thread diameter: 30.5mm
Aperture F at max. focal length: 8
Aperture F at min. focal length: 8
Number of element groups: 6
Number of elements: 7