The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 70-200mm f2.8 Sports and the Sony E 70-350mm F4.5-6.3 G 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 Sports is the longer of the two lenses at 205mm. The Sony E 70-350mm F4.5-6.3 G with a length of 142mm, is 63mm shorter. Besides being longer, the Sigma 70-200mm f2.8 Sports also has a larger diameter of 91mm compared to the Sony E 70-350mm F4.5-6.3 G's 77mm diameter.
Below you can find a scaled side-by-side image of Sigma 70-200mm f2.8 Sports and Sony E 70-350mm F4.5-6.3 G to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 70-200mm f2.8 Sports and the Sony E 70-350mm F4.5-6.3 G Size and Weight 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 E 70-350mm F4.5-6.3 G weighs 625g, 53% (720g) lighter than the Sigma 70-200mm f2.8 Sports's weight of 1345g.
Filter Threads
The Sigma 70-200mm f2.8 Sports has a filter size of 77mm whereas the Sony E 70-350mm F4.5-6.3 G has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Sigma 70-200mm f2.8 Sports:
And these are the 67mm filters that we recommend for the Sony E 70-350mm F4.5-6.3 G:
Lens Mounts
Both the Sigma 70-200mm f2.8 Sports and the Sony E 70-350mm F4.5-6.3 G has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5 , Sony A7R VI and Sony A7 V .
Sigma 70-200mm f2.8 Sports is also available in the Leica L mount.
Focal Range
Sigma 70-200mm f2.8 Sports has a focal range of 70-200mm 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
105 - 300mm .
On the other hand, the Sony E 70-350mm F4.5-6.3 G has a focal range of 70-350mm and 5.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 105-525mm when used on a APS-C / DX format camera.