The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 60-600mm F4.5-6.3 DG OS and the Sigma 120-300mm F2.8 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 120-300mm F2.8 EX DG HSM is the longer of the two lenses at 271mm. The Sigma 60-600mm F4.5-6.3 DG OS with a length of 269mm, is 2mm shorter. On the other hand, the Sigma 60-600mm F4.5-6.3 DG OS has a larger diameter of 120mm compared to the Sigma 120-300mm F2.8 EX DG HSM's 113mm 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 120-300mm F2.8 EX DG HSM weighs 2600g, 3% (100g) lighter than the Sigma 60-600mm F4.5-6.3 DG OS's weight of 2700g.
Filter Threads
Both the Sigma 60-600mm F4.5-6.3 DG OS and the Sigma 120-300mm F2.8 EX DG HSM have the same Filter thread size of 105mm.
Below are links to the 105mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 60-600mm F4.5-6.3 DG OS and the Sigma 120-300mm F2.8 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 60-600mm F4.5-6.3 DG OS is also available in the Canon EF and Nikon F (FX) mounts.
Sigma 120-300mm F2.8 EX DG HSM is also available in Canon EF and Nikon F (FX) mounts.
Focal Range
Sigma 60-600mm F4.5-6.3 DG OS has a focal range of 60-600mm and
10.0X zoom ratio .
On the other hand, the Sigma 120-300mm F2.8 EX DG HSM has a focal range of 120-300mm and 2.5X zoom ratio .
