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 80-200mm f4.5-5.6 II 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. Sigma 70-200mm F2.8 EX DG HSM II is the longer of the two lenses at 184mm. The Canon 80-200mm f4.5-5.6 II with a length of 79mm, is 105mm shorter. Besides being longer, the Sigma 70-200mm F2.8 EX DG HSM II also has a larger diameter of 87mm compared to the Canon 80-200mm f4.5-5.6 II's 69mm 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 80-200mm f4.5-5.6 II weighs 250g, 82% (1140g) 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 80-200mm f4.5-5.6 II 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
Sigma 70-200mm F2.8 EX DG HSM II has a focal range of 70-200mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 112 - 320mm.
Canon 80-200mm f4.5-5.6 II has a focal range of 80-200mm and 2.5X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 128 - 320mm.