Samyang 14mm f/2.8 ED AS IF UMC Micro 4/3

Weight: 570 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: Internal focus
Length: 120.9 mm
Diameter: 76.2 mm
Focal length: Permanent
Lens type: Wide angle
Minimum focus distance: 0.28 m
Focal length of prime lens: 14 mm
Bayonet: Micro 4/3
Filter thread diameter: 87 mm
Aperture F at max. focal length: 2.8
Aperture F at min. focal length: 2.8
Minimum aperture F: 22
Number of aperture blades: 6
Number of aspherical elements: 2
Number of element groups: 10
Number of low dispersion elements: 5
Number of elements: 14