Bower 8mm f/3.5 Canon EF

Brand: Bower
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
Length: 74.8 mm
Diameter: 75 mm
Focal length: Permanent
Lens type: Ultra wide angle fisheye
Minimum focus distance: 0.3 m
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 viewing angle: 180 deg.min
Number of aspherical elements: 1
Number of element groups: 7
Number of elements: 10