Mitakon Speedmaster 42.5mm f/1.2 Micro 4/3

Weight: 310 g
Brand: Mitakon
Description: Bayonet mount: Micro 4/3, lens type: wide-angle, focal length: fixed, for non-full-frame cameras only, prime lens focal length: 42.50 mm, aperture F at min. focal length: 1.20, Aperture
Type: Lens
Length: 52.5mm
Diameter: 60 mm
Focal length: Permanent
Lens type: Wide angle
Minimum focus distance: 0.45 m
For non-full frame cameras only: Yes
Focal length of prime lens: 42.5 mm
Bayonet: Micro 4/3
Filter thread diameter: 49 mm
Aperture F at max. focal length: 1.2
Aperture F at min. focal length: 1.2
Minimum aperture F: 16
Number of aperture blades: 9
Number of element groups: 7
Number of elements: 9