Tamron AF 28-80mm f/3.5-5.6 Aspherical 177 Nikon F

Weight: 237 g
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
Length: 70.4 mm
Diameter: 72 mm
Max. focal length: 80 mm
Min. focal length: 28 mm
Focal length: Variable
Lens type: Standard
Zoom ratio: 2.9x
Max viewing angle: 75 deg.min
Minimum focus distance: 0.7 m
Auto focus: There is
Bayonet: Nikon F
Filter thread diameter: 58 mm
Aperture F at max. focal length: 5.6
Aperture F at min. focal length: 3.5
Minimum aperture F: 22
Number of aperture blades: 6
Minimum viewing angle: 30 degrees min
Number of aspherical elements: 1
Number of element groups: 7
Number of elements: 7