The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 150-500mm F5-6.3 DG OS HSM and the Sigma 70-200mm F2.8 EX DG HSM 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 150-500mm F5-6.3 DG OS HSM is the longer of the two lenses at 252mm. The Sigma 70-200mm F2.8 EX DG HSM II with a length of 184mm, is 68mm shorter. Besides being longer, the Sigma 150-500mm F5-6.3 DG OS HSM also has a larger diameter of 95mm compared to the Sigma 70-200mm F2.8 EX DG HSM II's 87mm 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. Sigma 70-200mm F2.8 EX DG HSM II weighs 1390g, 21% (390g) lighter than the Sigma 150-500mm F5-6.3 DG OS HSM's weight of 1780g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Sigma SA Mount for size comparison purposes.
Telephoto Zoom Lenses in Sigma SA Mount for Size Comparison
Lens Mounts
Both the Sigma 150-500mm F5-6.3 DG OS HSM and the Sigma 70-200mm F2.8 EX DG HSM II has the same Sigma SA lens mount. Some of the latest released cameras that are compatible with the Sigma SA lenses are Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill.
Sigma 150-500mm F5-6.3 DG OS HSM is also available in Canon EF , Nikon F (FX), Pentax KAF3 and Sony Alpha mounts.
Sigma 70-200mm F2.8 EX DG HSM II is also available in Canon EF , Four Thirds, Pentax KAF3, Sony Alpha and Nikon F (FX) mounts.
Focal Range
Sigma 150-500mm F5-6.3 DG OS HSM has a focal range of 150-500mm and 3.3X zoom ratio . Sigma 70-200mm F2.8 EX DG HSM II has a focal range of 70-200mm and 2.9X zoom ratio .