The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 500mm F4 DG OS HSM Sport and the Canon 500mm f4.0L IS USM for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Canon 500mm f4.0L IS USM is the longer of the two lenses at 387mm. The Sigma 500mm F4 DG OS HSM Sport with a length of 380mm is 7mm shorter. Besides being longer, the Canon 500mm f4.0L IS USM also has a larger diameter of 146mm compared to Sigma 500mm F4 DG OS HSM Sport's 145mm diameter.
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 500mm F4 DG OS HSM Sport weighs 3310g, which means it is 560g (14%) lighter than the Canon 500mm f4.0L IS USM which has a weight of 3870g.
Below you can find the dimension and weight table of the 'Telephoto Prime Lenses in Canon EF Mount for size comparison purposes.
Telephoto Prime Lenses in Canon EF Mount for Size Comparison
Both Sigma 500mm F4 DG OS HSM Sport and Canon 500mm f4.0L IS USM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Sigma 500mm F4 DG OS HSM Sport is also available in Sigma SA and Nikon F (FX) mounts.
Both lenses have the same focal range of 500mm and the fastest aperture of F4.