The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 70-200mm F4 G and the Sigma 70-200mm F2.8 EX DG OS 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 70-200mm F2.8 EX DG OS HSM is the longer of the two lenses at 197mm. The Sony FE 70-200mm F4 G with a length of 175mm, is 22mm shorter. Besides being longer, the Sigma 70-200mm F2.8 EX DG OS HSM also has a larger diameter of 86mm compared to the Sony FE 70-200mm F4 G's 80mm 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. Sony FE 70-200mm F4 G weighs 840g, which means it is 590g (41%) lighter than the Sigma 70-200mm F2.8 EX DG OS HSM which has a weight of 1430g.
Filter Threads
The Sony FE 70-200mm F4 G has a filter size of 72mm whereas the Sigma 70-200mm F2.8 EX DG OS HSM has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Sony FE 70-200mm F4 G:
And these are the 77mm filters that we recommend for the Sigma 70-200mm F2.8 EX DG OS HSM:
Lens Mounts
The Sony FE 70-200mm F4 G has the Sony E lens mount whereas the Sigma 70-200mm F2.8 EX DG OS HSM has the Sony Alpha 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 Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Sigma 70-200mm F2.8 EX DG OS HSM is also available in Canon EF , Nikon F (FX), Pentax KAF3 and Sigma SA mounts.
Focal Range
Both lenses have the same focal range of
70-200mm but while Sony FE 70-200mm F4 G has the fastest aperture of
F4.0, the Sigma 70-200mm F2.8 EX DG OS HSM's widest aperture value is
F2.8.