The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 100-400mm and the Fujifilm XF 70-300 F4-5.6 R 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. Canon RF 100-400mm is the longer of the two lenses at 165mm. The Fujifilm XF 70-300 F4-5.6 R with a length of 133mm, is 32mm shorter. Besides being longer, the Canon RF 100-400mm also has a larger diameter of 80mm 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 Canon RF 100-400mm and Fujifilm XF 70-300 F4-5.6 R to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 100-400mm and the Fujifilm XF 70-300 F4-5.6 R 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, 8% (55g) lighter than the Canon RF 100-400mm's weight of 635g.
Filter Threads
Both the Canon RF 100-400mm and the Fujifilm XF 70-300 F4-5.6 R 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
The Canon RF 100-400mm has the Canon RF lens mount whereas the Fujifilm XF 70-300 F4-5.6 R has the Fujifilm X lens mount . Some of the latest released cameras that are compatible with these mounts are Canon R6 V , Canon R6 III and Canon C50 for the Canon RF Mount and Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Focal Range
Canon RF 100-400mm has a focal range of 100-400mm and
4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
160 - 640mm .
On the other hand, the 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.