Meike 50mm f/2 Nikon1

Weight: 188 g
Brand: Meike
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: 41 mm
Diameter: 60.5 mm
Focal length: Permanent
Lens type: Standard
For non-full frame cameras only: Yes
Focal length of prime lens: 50 mm
Bayonet: Nikon 1
Filter thread diameter: 49 mm
Aperture F at max. focal length: 2
Aperture F at min. focal length: 2
Number of element groups: 5
Number of elements: 6