The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 50-400mm F4.5-6.3 VC and the Sigma 60-600mm F4.5-6.3 DG OS 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 60-600mm F4.5-6.3 DG OS is the longer of the two lenses at 269mm. The Tamron 50-400mm F4.5-6.3 VC with a length of 183mm, is 86mm shorter. Besides being longer, the Sigma 60-600mm F4.5-6.3 DG OS also has a larger diameter of 120mm compared to the Tamron 50-400mm F4.5-6.3 VC's 89mm 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. Tamron 50-400mm F4.5-6.3 VC weighs 1155g, which means it is 1545g (57%) lighter than the Sigma 60-600mm F4.5-6.3 DG OS which has a weight of 2700g.
Filter Threads
The Tamron 50-400mm F4.5-6.3 VC has a filter size of 67mm whereas the Sigma 60-600mm F4.5-6.3 DG OS has a 105mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Tamron 50-400mm F4.5-6.3 VC:
And these are the 105mm filters that we recommend for the Sigma 60-600mm F4.5-6.3 DG OS:
Lens Mounts
The Tamron 50-400mm F4.5-6.3 VC has the Sony E lens mount whereas the Sigma 60-600mm F4.5-6.3 DG OS has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Tamron 50-400mm F4.5-6.3 VC is also available in the Nikon Z mount.
Sigma 60-600mm F4.5-6.3 DG OS is also available in Canon EF and Sigma SA mounts.
Focal Range
Tamron 50-400mm F4.5-6.3 VC has a focal range of 50-400mm and
8.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
75 - 600mm.
On the other hand, the 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 1.5x crop, it provides a 35mm (FF) equivalent of 90 - 900mm.
