The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm XF 70-300 F4-5.6 R 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 Fujifilm XF 70-300 F4-5.6 R with a length of 133mm, is 78mm shorter. Besides being longer, the Fujifilm XF 100-400mm F4.5-5.6 also has a larger diameter of 95mm compared to the Fujifilm XF 70-300 F4-5.6 R's 75mm diameter.
Below you can find a scaled side-by-side image of Fujifilm XF 70-300 F4-5.6 R 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 Fujifilm XF 70-300 F4-5.6 R 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 70-300 F4-5.6 R weighs 580g, which means it is 795g (57%) lighter than the Fujifilm XF 100-400mm F4.5-5.6 which has a weight of 1375g.
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 Fujifilm XF 70-300 F4-5.6 R has a filter size of 67mm 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 67mm filters that we recommend you to consider for the Fujifilm XF 70-300 F4-5.6 R:
And these are the 77mm filters that we recommend for the Fujifilm XF 100-400mm F4.5-5.6:
Lens Mounts
Both the Fujifilm XF 70-300 F4-5.6 R 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 .
Focal Range
Fujifilm XF 70-300 F4-5.6 R has a focal range of 70-300mm and
4.3X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
105-450mm when used on a APS-C / DX format camera.
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.
