The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Olympus ED 100-400mm F5.0-6.3 IS 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 Olympus ED 100-400mm F5.0-6.3 IS with a length of 206mm, is 5mm shorter. Besides being longer, the Fujifilm XF 100-400mm F4.5-5.6 also has a larger diameter of 95mm compared to the Olympus ED 100-400mm F5.0-6.3 IS's 86mm diameter.
tt
Below you can find a scaled side-by-side image of Olympus ED 100-400mm F5.0-6.3 IS and Fujifilm XF 100-400mm F4.5-5.6 to get a better idea of how their sizes compare in real life.
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. Olympus ED 100-400mm F5.0-6.3 IS weighs 1120g, which means it is 255g (18%) lighter than the Fujifilm XF 100-400mm F4.5-5.6 which has a weight of 1375g.
Filter Threads
The Olympus ED 100-400mm F5.0-6.3 IS has a filter size of 72mm 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 72mm filters that we recommend you to consider for the Olympus ED 100-400mm F5.0-6.3 IS:
And these are the 77mm filters that we recommend for the Fujifilm XF 100-400mm F4.5-5.6:
Lens Mounts
The Olympus ED 100-400mm F5.0-6.3 IS has the Micro Four Thirds lens mount whereas the Fujifilm XF 100-400mm F4.5-5.6 has the Fujifilm X lens mount. Some of the latest released cameras that are compatible with these mounts are OM System OM-1 II, Panasonic G9 II and OM System OM-5 for the Micro Four Thirds Mount and Fujifilm X-S20, Fujifilm X-T5 and Fujifilm X-H2 for the Fujifilm X Mount.
Focal Range
Both lenses have the same focal range of
100-400mm but while Olympus ED 100-400mm F5.0-6.3 IS has the fastest aperture of
F5-6.3, the Fujifilm XF 100-400mm F4.5-5.6's widest aperture value is
F4.5 - F5.6.