Ar-M 50mm f/2.0

Weight: 140 g
Brand: Zenith
Description: Mount: M42x1 thread, lens type: standard, focal length: fixed, fixed lens focal length: 50 mm, aperture F at min. focal length: 2, Aperture F at max. focal length: 2
Type: Lens
Length: 34.5mm
Diameter: 66 mm
Focal length: Permanent
Lens type: Standard
Minimum focus distance: 0.35 m
Focal length of prime lens: 50 mm
Bayonet: Thread M42x1
Filter thread diameter: 46 mm
Aperture F at max. focal length: 2
Aperture F at min. focal length: 2
Minimum aperture F: 16
Number of element groups: 4
Number of elements: 6