The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony E 70-350mm F4.5-6.3 G and the Sigma 100-400mm F5-6.3 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 100-400mm F5-6.3 OS is the longer of the two lenses at 197mm. The Sony E 70-350mm F4.5-6.3 G with a length of 142mm, is 55mm shorter. Besides being longer, the Sigma 100-400mm F5-6.3 OS also has a larger diameter of 86mm 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 Sony E 70-350mm F4.5-6.3 G and Sigma 100-400mm F5-6.3 OS to get a better idea of how their sizes compare in real life.
Comparison image of the Sony E 70-350mm F4.5-6.3 G and the Sigma 100-400mm F5-6.3 OS 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, which means it is 510g (44%) lighter than the Sigma 100-400mm F5-6.3 OS which has a weight of 1135g.
Filter Threads
Both the Sony E 70-350mm F4.5-6.3 G and the Sigma 100-400mm F5-6.3 OS have the same Filter thread size of 67mm .
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Sony E 70-350mm F4.5-6.3 G has the Sony E lens mount whereas the Sigma 100-400mm F5-6.3 OS has the Leica L lens mount . Some of the latest released cameras that are compatible with these mounts are Sony ZV-E10 II , Sony A6700 and Sony FX30 for the Sony E Mount and Leica SL3-P , Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount.
Sony E and Fujifilm X mounts.
Focal Range
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.
On the other hand, the Sigma 100-400mm F5-6.3 OS has a focal range of 100-400mm and 4.0X zoom ratio .
