Cosina AF 70-210mm f/4.5-5.6 Canon EF Lens

Weight: 540 g
Brand: Cosina
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, macro mode
Length: 109.5mm
Diameter: 76.6 mm
Max. focal length: 210 mm
Min. focal length: 70 mm
Focal length: Variable
Lens type: Telephoto lens
Zoom ratio: 3x
Max viewing angle: 75 deg.min
Minimum focus distance: 1.9 m
Auto focus: There is
Bayonet: Canon EF
Filter thread diameter: 72 mm
Aperture F at max. focal length: 5.6
Aperture F at min. focal length: 4.5
Minimum aperture F: 16
Number of aperture blades: 8
Minimum viewing angle: 11 degrees min
Zoom in macro mode: 0.2
Number of element groups: 13
Number of elements: 15