The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon EF 70-200 F2.8L IS III USM and the Sigma 50-150mm F2.8 EX DC OS HSM 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, 6% (90g) lighter than the Canon EF 70-200 F2.8L IS III USM's weight of 1440g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Canon EF Mount for size comparison purposes.
Telephoto Lenses in Canon EF Mount for Size Comparison
Filter Threads
Both the Canon EF 70-200 F2.8L IS III USM and the Sigma 50-150mm F2.8 EX DC OS HSM 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
Both the Canon EF 70-200 F2.8L IS III USM and the Sigma 50-150mm F2.8 EX DC OS HSM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K.
Sigma 50-150mm F2.8 EX DC OS HSM is also available in Nikon F (DX) and Sigma SA mounts.
Focal Range
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.
On the other hand, the 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 80-240mm when used on a APS-C / DX format camera.
