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
The size of a lens is a crucial factor to consider 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 the Sigma 500mm F4.5 EX DG HSM's 123mm 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 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.
Super Telephoto Lenses in Sigma SA Mount for Size Comparison
Filter Threads
Both the Sigma 500mm F4 DG OS HSM Sport and the Sigma 500mm F4.5 EX DG HSM have the same Filter thread size of 46mm.
Below are links to the 46mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 500mm F4 DG OS HSM Sport and the 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
Both lenses have the same focal range of
500mm but while Sigma 500mm F4 DG OS HSM Sport has the fastest aperture of
F4, the Sigma 500mm F4.5 EX DG HSM's widest aperture value is
F4.5.