Kowa Prominar 8.5mm f/2.8 Micro 4/3 Lens

Weight: 440 g
Brand: Kowa
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: 86.8 mm
Diameter: 71.5 mm
Focal length: Permanent
Lens type: Wide angle
Minimum focus distance: 0.2 m
Focal length of prime lens: 85 mm
Bayonet: Micro 4/3
Filter thread diameter: 86 mm
Aperture F at max. focal length: 2.8
Aperture F at min. focal length: 2.8
Number of aperture blades: 9
Number of aspherical elements: 1
Number of element groups: 14
Number of low dispersion elements: 1
Number of elements: 17