Canon EF 90-300mm f/4.5-5.6 USM

Weight: 420 g
Brand: Canon
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
Length: 114.7 mm
Diameter: 71 mm
Max. focal length: 300 mm
Min. focal length: 90 mm
Focal length: Variable
Lens type: Telephoto lens
Zoom ratio: 3.3x
Max viewing angle: 27 degrees min
Minimum focus distance: 1.5 m
Auto focus: There is
Bayonet: Canon EF
Filter thread diameter: 58 mm
Aperture F at max. focal length: 5.6
Aperture F at min. focal length: 4.5
Minimum aperture F: 45
Number of aperture blades: 7
Minimum viewing angle: 81.5 deg.min
Number of element groups: 9
Number of elements: 13