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 EX DG and the Canon 24-70mm f4L IS 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. Sigma 24-70mm F2.8 EX DG is the longer of the two lenses at 116mm. The Canon 24-70mm f4L IS USM with a length of 93mm, is 23mm shorter. Besides being longer, the Sigma 24-70mm F2.8 EX DG also has a larger diameter of 89mm compared to the Canon 24-70mm f4L IS USM's 83mm 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. Canon 24-70mm f4L IS USM weighs 600g, 16% (115g) lighter than the Sigma 24-70mm F2.8 EX DG's weight of 715g.
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
The Sigma 24-70mm F2.8 EX DG has a filter size of 82mm whereas the Canon 24-70mm f4L IS USM has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Sigma 24-70mm F2.8 EX DG:
And these are the 77mm filters that we recommend for the Canon 24-70mm f4L IS USM:
Lens Mounts
Both the Sigma 24-70mm F2.8 EX DG and the Canon 24-70mm f4L IS USM 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 EX DG is also available in the Pentax KAF , Sony Alpha, Sigma SA and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
24-70mm but while Sigma 24-70mm F2.8 EX DG has the fastest aperture of
F2.8, the Canon 24-70mm f4L IS USM's widest aperture value is
F4.0.
