The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 400mm F2.8L and the Canon 400mm f2.8L IS USM 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 400mm F2.8L is the longer of the two lenses at 367mm. The Canon 400mm f2.8L IS USM with a length of 349mm, is 18mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 163mm.
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. Canon RF 400mm F2.8L weighs 2890g, which means it is 2480g (46%) lighter than the Canon 400mm f2.8L IS USM which has a weight of 5370g.
Filter Threads
Both the Canon RF 400mm F2.8L and the Canon 400mm f2.8L IS USM have the same Filter thread size of 52mm.
Below are links to the 52mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Canon RF 400mm F2.8L has the Canon RF lens mount whereas the Canon 400mm f2.8L IS USM has the Canon EF 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 Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Focal Range
Both lenses have the same focal range of
400mm and the fastest aperture of
F2.8.
