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 Sigma 500mm F4.5 EX DG HSM for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Sigma 500mm F4 DG OS HSM Sport is the longer of the two lenses at 380mm. The Sigma 500mm F4.5 EX DG HSM with a length of 350mm is 30mm shorter. Besides being longer, the Sigma 500mm F4 DG OS HSM Sport also has a larger diameter of 145mm compared to Sigma 500mm F4.5 EX DG HSM's 123mm 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 F4.5 EX DG HSM weighs 3150g, 4% (160g) lighter than the Sigma 500mm F4 DG OS HSM Sport's weight of 3310g.
Below you can find the dimension and weight table of the 'Telephoto Prime Lenses in Sigma SA Mount for size comparison purposes.
Telephoto Prime Lenses in Sigma SA Mount for Size Comparison
Lens Mounts
Both Sigma 500mm F4 DG OS HSM Sport and Sigma 500mm F4.5 EX DG HSM has the same Sigma SA lens mount. Some of the latest released cameras that are compatible with the Sigma SA lenses are Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill.
Sigma 500mm F4 DG OS HSM Sport is also available in Nikon F (FX) and Canon EF mounts.
Sigma 500mm F4.5 EX DG HSM is also available in Canon EF , Nikon F (FX) and Pentax KAF mounts.
Focal Range