The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 18-300 F3.5-6.3 DC OS HSM and the Sigma 200-500mm 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 200-500mm F2.8 EX DG is the longer of the two lenses at 726mm. The Sigma 18-300 F3.5-6.3 DC OS HSM with a length of 102mm, is 624mm shorter. Besides being longer, the Sigma 200-500mm F2.8 EX DG also has a larger diameter of 237mm compared to the Sigma 18-300 F3.5-6.3 DC OS HSM's 79mm 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 18-300 F3.5-6.3 DC OS HSM weighs 585g, which means it is 15115g (96%) lighter than the Sigma 200-500mm F2.8 EX DG which has a weight of 15700g.
Below you can find the dimension and weight table of the SuperZoom Lenses in Sigma SA Mount for size comparison purposes.
Super Telephoto Lenses in Sigma SA Mount for Size Comparison
Filter Threads
Both the Sigma 18-300 F3.5-6.3 DC OS HSM and the Sigma 200-500mm F2.8 EX DG have the same Filter thread size of 72mm.
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 18-300 F3.5-6.3 DC OS HSM and the Sigma 200-500mm F2.8 EX DG has the same Sigma SA lens mount. Some of the latest released cameras that are compatible with the Sigma SA lenses are Sigma SD1 Merrill, Sigma SD1 and .
Sigma 18-300 F3.5-6.3 DC OS HSM is also available in the Canon EF , Nikon F (DX), Pentax KAF3 and Sony Alpha mounts.
Sigma 200-500mm F2.8 EX DG is also available in Canon EF and Nikon F (FX) mounts.
Focal Range
Sigma 18-300 F3.5-6.3 DC OS HSM has a focal range of 18-300mm and
16.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
27-450mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 200-500mm F2.8 EX DG has a focal range of 200-500mm and 2.5X zoom ratio .