The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 150-500mm F5-6.7 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. Tamron 150-500mm F5-6.7 is the longer of the two lenses at 210mm. The Sigma 100-400mm F5-6.3 OS with a length of 197mm, is 13mm shorter. Besides being longer, the Tamron 150-500mm F5-6.7 also has a larger diameter of 93mm compared to the Sigma 100-400mm F5-6.3 OS's 86mm diameter.
Below you can find a scaled side-by-side image of Tamron 150-500mm F5-6.7 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 Tamron 150-500mm F5-6.7 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. Sigma 100-400mm F5-6.3 OS weighs 1135g, 33% (575g) lighter than the Tamron 150-500mm F5-6.7's weight of 1710g.
Filter Threads
The Tamron 150-500mm F5-6.7 has a filter size of 82mm whereas the Sigma 100-400mm F5-6.3 OS 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 82mm filters that we recommend you to consider for the Tamron 150-500mm F5-6.7:
And these are the 67mm filters that we recommend for the Sigma 100-400mm F5-6.3 OS:
Lens Mounts
The Tamron 150-500mm F5-6.7 has the Fujifilm X lens mount whereas the Sigma 100-400mm F5-6.3 OS has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Sony E and Nikon Z mounts.
Leica L and Fujifilm X mounts.
Focal Range
Tamron 150-500mm F5-6.7 has a focal range of 150-500mm and
3.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
225 - 750mm .
On the other hand, the Sigma 100-400mm F5-6.3 OS has a focal range of 100-400mm and 4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 150 - 600mm .
