Lens details
Maximum Diameter x Length (mm) 77.7 x 123
Filter Diameter (mm) 67
Angle of View 20°, 14°, 24° (horizontal, vertical, diagonal)
Magnification with Extension Tube EF25 II 1.37-0.27
Magnification with Extension Tube EF12 II 1.17-0.12
Minimum Aperture 32
Lens Construction (elements/groups) 15/12
Distance Information Yes
Magnification  1
Extender Compatibility Compatible
Weight 625 g
AF Actuator  Ring USM
AF Actuator AF Footnote Full time Manual focus
Water/dust Resistance Yes