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
The Sigma 60-600mm F4.5-6.3 DG OS has the Canon EF lens mount whereas the Sigma 120-300mm F2.8 EX DG HSM has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Sigma 60-600mm F4.5-6.3 DG OS is also available in the Nikon F (FX) and Sigma SA mounts.
Sigma 120-300mm F2.8 EX DG HSM is also available in Canon EF and Sigma SA mounts.
Focal Range
Sigma 60-600mm F4.5-6.3 DG OS has a focal range of 60-600mm and
10.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
96 - 960mm.
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 . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 180 - 450mm.
