Sony Carl Zeiss Planar T* 50mm f/1.4 ZA SSM SAL-50F14Z

Weight: 518 g
Brand: Sony
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: Focusing motor for Nikon F, ultrasonic motor
Length: 71.5 mm
Diameter: 81 mm
Focal length: Permanent
Lens type: Standard
Auto focus: There is
Focal length of prime lens: 50 mm
Bayonet: Minolta A
Filter thread diameter: 72 mm
Aperture F at max. focal length: 1.4
Aperture F at min. focal length: 1.4
Minimum aperture F: 22
Number of aperture blades: 9
Minimum focusing distance in macro mode: 0.45 m
Number of element groups: 5
Number of elements: 8