The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 24-70mm F2.8 DG OS HSM and the Sigma 24-70mm F2.8 EX DG 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. Sigma 24-70mm F2.8 EX DG is the longer of the two lenses at 116mm. The Sigma 24-70mm F2.8 DG OS HSM with a length of 108mm, is 8mm shorter. Besides being longer, the Sigma 24-70mm F2.8 EX DG also has a larger diameter of 89mm compared to the Sigma 24-70mm F2.8 DG OS HSM's 88mm 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 24-70mm F2.8 EX DG weighs 715g, 29% (305g) lighter than the Sigma 24-70mm F2.8 DG OS HSM's weight of 1020g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Canon EF Mount for size comparison purposes.
Standard Lenses in Canon EF Mount for Size Comparison
Filter Threads
Both the Sigma 24-70mm F2.8 DG OS HSM and the Sigma 24-70mm F2.8 EX DG have the same Filter thread size of 82mm.
Below are links to the 82mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 24-70mm F2.8 DG OS HSM and the Sigma 24-70mm F2.8 EX DG 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 24-70mm F2.8 DG OS HSM is also available in the Sigma SA and Nikon F (FX) mounts.
Sigma 24-70mm F2.8 EX DG is also available in Pentax KAF , Sony Alpha, Sigma SA and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
24-70mm and the fastest aperture of
F2.8.
