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 Fujifilm XF 100-400mm F4.5-5.6 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. Fujifilm XF 100-400mm F4.5-5.6 is the longer of the two lenses at 211mm. The Tamron 150-500mm F5-6.7 with a length of 210mm, is 1mm shorter. Besides being longer, the Fujifilm XF 100-400mm F4.5-5.6 also has a larger diameter of 95mm compared to the Tamron 150-500mm F5-6.7's 93mm diameter.
Below you can find a scaled side-by-side image of Tamron 150-500mm F5-6.7 and Fujifilm XF 100-400mm F4.5-5.6 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 Fujifilm XF 100-400mm F4.5-5.6 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. Fujifilm XF 100-400mm F4.5-5.6 weighs 1375g, 19% (335g) lighter than the Tamron 150-500mm F5-6.7's weight of 1710g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Fujifilm X Mount for size comparison purposes.
Super Telephoto Fujifilm X Mount
Filter Threads
The Tamron 150-500mm F5-6.7 has a filter size of 82mm whereas the Fujifilm XF 100-400mm F4.5-5.6 has a 77mm 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 77mm filters that we recommend for the Fujifilm XF 100-400mm F4.5-5.6:
Lens Mounts
Both the Tamron 150-500mm F5-6.7 and the Fujifilm XF 100-400mm F4.5-5.6 has the same Fujifilm X lens mount . Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 .
Sony E and Nikon Z 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 Fujifilm XF 100-400mm F4.5-5.6 has a focal range of 100-400mm and 4.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 150-600mm when used on a APS-C / DX format camera.
