Canon EF 28-70mm f/2.8L USM

Weight: 880 g
Brand: Canon
Description: Mount: Canon EF, lens type: standard, focal length: variable, autofocus, min. focal length: 28 mm, max. focal length: 70 mm, aperture F at min. focal length: 2.80, Aperture
Type: Lens
Functions: Focusing motor for Nikon F, ultrasonic motor
Length: 117.6 mm
Diameter: 83.2 mm
Max. focal length: 70 mm
Min. focal length: 28 mm
Focal length: Variable
Lens type: Standard
Zoom ratio: 2.5x
Max viewing angle: 75 deg.min
Minimum focus distance: 0.5 m
Auto focus: There is
Bayonet: Canon EF
Filter thread diameter: 77 mm
Aperture F at max. focal length: 2.8
Aperture F at min. focal length: 2.8
Minimum aperture F: 22
Number of aperture blades: 8
Minimum viewing angle: 34 degrees min
Number of aspherical elements: 1
Number of element groups: 11
Number of elements: 16