The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 24-240mm F3.5-6.3 OSS and the Sigma 24-70mm 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. Sony FE 24-240mm F3.5-6.3 OSS is the longer of the two lenses at 119mm. The Sigma 24-70mm F2.8 EX DG with a length of 116mm, is 3mm shorter. On the other hand, the Sigma 24-70mm F2.8 EX DG has a larger diameter of 89mm compared to the Sony FE 24-240mm F3.5-6.3 OSS's 81mm 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 24-70mm F2.8 EX DG weighs 715g, 8% (65g) lighter than the Sony FE 24-240mm F3.5-6.3 OSS's weight of 780g.
Filter Threads
The Sony FE 24-240mm F3.5-6.3 OSS has a filter size of 72mm whereas the Sigma 24-70mm F2.8 EX DG has a 82mm 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 24-240mm F3.5-6.3 OSS:
And these are the 82mm filters that we recommend for the Sigma 24-70mm F2.8 EX DG:
Lens Mounts
The Sony FE 24-240mm F3.5-6.3 OSS has the Sony E lens mount whereas the Sigma 24-70mm F2.8 EX DG 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.
Sigma 24-70mm F2.8 EX DG is also available in Canon EF , Pentax KAF, Sony Alpha and Sigma SA mounts.
Focal Range
Sony FE 24-240mm F3.5-6.3 OSS has a focal range of 24-240mm 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
36 - 360mm.
On the other hand, the Sigma 24-70mm F2.8 EX DG has a focal range of 24-70mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36 - 105mm.
