The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50-150mm F2.8 EX DC OS HSM and the Canon EF 70-200 F2.8L IS III USM for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Canon EF 70-200 F2.8L IS III USM is the longer of the two lenses at 199mm. The Sigma 50-150mm F2.8 EX DC OS HSM with a length of 198mm, is 1mm shorter. Besides being longer, the Canon EF 70-200 F2.8L IS III USM also has a larger diameter of 89mm compared to the Sigma 50-150mm F2.8 EX DC OS HSM's 86mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Sigma 50-150mm F2.8 EX DC OS HSM weighs 1350g, which means it is 90g (6%) lighter than the Canon EF 70-200 F2.8L IS III USM which has a weight of 1440g.
Filter Threads
Both the Sigma 50-150mm F2.8 EX DC OS HSM and the Canon EF 70-200 F2.8L IS III USM have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Sigma 50-150mm F2.8 EX DC OS HSM has the Nikon F (DX) lens mount whereas the Canon EF 70-200 F2.8L IS III USM has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D3500, Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Sigma 50-150mm F2.8 EX DC OS HSM is also available in the Canon EF and Sigma SA mounts.
Focal Range
Sigma 50-150mm F2.8 EX DC OS HSM has a focal range of 50-150mm and
3.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
75-225mm when used on a APS-C / DX format camera.
On the other hand, the Canon EF 70-200 F2.8L IS III USM 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 a 35mm (FF) equivalent of 112 - 320mm.
