The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 70-200mm F2.8 EX DG HSM II and the Canon EF 70-200 f2.8L USM for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Canon EF 70-200 f2.8L USM is the longer of the two lenses at 194mm. The Sigma 70-200mm F2.8 EX DG HSM II with a length of 184mm, is 10mm shorter. On the other hand, the Sigma 70-200mm F2.8 EX DG HSM II has a larger diameter of 87mm compared to the Canon EF 70-200 f2.8L USM's 85mm diameter.
The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Canon EF 70-200 f2.8L USM weighs 1310g, 5% (80g) lighter than the Sigma 70-200mm F2.8 EX DG HSM II's weight of 1390g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Canon EF Mount for size comparison purposes.
Telephoto Zoom Lenses in Canon EF Mount for Size Comparison
Lens Mounts
Both the Sigma 70-200mm F2.8 EX DG HSM II and the Canon EF 70-200 f2.8L USM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Sigma 70-200mm F2.8 EX DG HSM II is also available in Four Thirds , Pentax KAF3, Sony Alpha, Sigma SA and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of 70-200mm and the fastest aperture of F2.8.