Aspherical lens UD lens SWC
Angle of View (diagonal)84o
Lens Construction13 elements in 10 groups
No. of Diaphragm Blades8 (Circular Aperture)
Minimum Aperturef/22
Closest Focusing Distance (m)0.25m
Maximum Magnification (X)0.17x
AF ActuatorRing USM
Filter Diameter (mm)77mm
Length x Diameter (mm)86.9 x 83.5mm
Weight (g)650g
  
Accessories 
Magnification with
Extension Tube EF 12 II		0.67x – 0.5x
Magnification with
Extension Tube EF 25 II		Not compatible
Focal Length with
Extender EF 1.4x II / EF 2x II		Not compatible
Lens HoodEW-83K
Lens CapE-77U
Gelatin Filter Holder III (Hood III)*Not Compatible
Gelatin Filter Holder IV (Hood IV)*Compatible (hoods: Not compatible)
* Maximum number of Hood III / IV attachable. In the case of zoom lenses, the maximum number applies to the shortest focal length.
All data is based on Canon's standard testing methods. Subject to change without notice