Tamron AF 19-35mm f/3.5-4.5 A10 Nikon F

Weight: 317 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: 67.7 mm
Diameter: 83.2 mm
Max. focal length: 35 mm
Min. focal length: 19 mm
Focal length: Variable
Lens type: Wide angle
Zoom ratio: 1.8x
Max viewing angle: 97 degrees min
Minimum focus distance: 0.5 m
Auto focus: There is
Bayonet: Nikon F
Filter thread diameter: 77 mm
Aperture F at max. focal length: 4.5
Aperture F at min. focal length: 3.5
Minimum aperture F: 22
Number of aperture blades: 8
Minimum viewing angle: 63 degrees min
Number of element groups: 11
Number of elements: 13