Rokinon 8mm f/3.5 Fisheye HD Canon EF HD8M-C

Weight: 443 g
Brand: Rokinon
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: 77.3 mm
Diameter: 75 mm
Focal length: Permanent
Lens type: Ultra wide angle fisheye
Minimum focus distance: 0.3 m
For non-full frame cameras only: Yes
Focal length of prime lens: 8 mm
Bayonet: Canon EF
Aperture F at max. focal length: 3.5
Aperture F at min. focal length: 3.5
Minimum aperture F: 22
Number of aperture blades: 6
Number of element groups: 7
Number of elements: 10