The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 100-400mm f5.6-8 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 FE 100-400mm f5.6-8 with a length of 165mm, is 32mm shorter. Besides being longer, the Sigma 100-400mm F5-6.3 OS also has a larger diameter of 86mm compared to the Sony FE 100-400mm f5.6-8's 78mm diameter.
Below you can find a scaled side-by-side image of Sony FE 100-400mm f5.6-8 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 FE 100-400mm f5.6-8 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 FE 100-400mm f5.6-8 weighs 654g, which means it is 481g (42%) lighter than the Sigma 100-400mm F5-6.3 OS which has a weight of 1135g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Sony E Mount for size comparison purposes.
Super Telephoto Lenses in Sony E Mount for Size Comparison
Filter Threads
Both the Sony FE 100-400mm f5.6-8 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
Both the Sony FE 100-400mm f5.6-8 and the Sigma 100-400mm F5-6.3 OS 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 100-400mm F5-6.3 OS is also available in Leica L and Fujifilm X mounts.
Focal Range
Both lenses have the same focal range of
100-400mm but while Sony FE 100-400mm f5.6-8 has the fastest aperture of
F5.6-8.0 , the Sigma 100-400mm F5-6.3 OS's widest aperture value is
F5-6.3 .