Tamron SP 90mm f/2.8 Di Macro 1:1 USD F017 Minolta A

Brand: Tamron
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, macro mode
Diameter: 79 mm
Focal length: Permanent
Lens type: Macro lens
Minimum focus distance: 0.3 m
Auto focus: There is
Focal length of prime lens: 90 mm
Bayonet: Minolta A
Filter thread diameter: 62 mm
Aperture F at max. focal length: 2.8
Aperture F at min. focal length: 2.8
Minimum aperture F: 32
Number of aperture blades: 9
Security: Dustproof, waterproof
Minimum focusing distance in macro mode: 1m
Number of element groups: 11
Number of elements: 14