Samyang 12mm T3.1 ED AS NCS VDSLR Fish-eye Nikon F

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: Adapted for video
Length: 70.2 mm
Diameter: 81.6 mm
Focal length: Permanent
Lens type: Ultra wide angle fisheye
Minimum focus distance: 0.2 m
Focal length of prime lens: 12 mm
Bayonet: Nikon F
Filter thread diameter: 70.4 mm
Aperture F at max. focal length: 3.1
Aperture F at min. focal length: 3.1
Minimum aperture F: 22
Number of aperture blades: 7
Number of aspherical elements: 2
Number of element groups: 8
Number of low dispersion elements: 3
Number of elements: 12