Bower 14mm f/2.5 Nikon F

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
Functions: Internal focus
Focal length: Permanent
Lens type: Ultra wide angle fisheye
Minimum focus distance: 0.28 m
Focal length of prime lens: 14 mm
Bayonet: Nikon F
Aperture F at max. focal length: 2.5
Aperture F at min. focal length: 2.5
Minimum viewing angle: 92.5 deg.min
Number of aspherical elements: 2
Number of element groups: 12
Number of low dispersion elements: 2
Number of elements: 14