The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 800mm F5.6L and the Canon 800mm f5.6L 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 800mm f5.6L IS USM is the longer of the two lenses at 461mm. The Canon RF 800mm F5.6L with a length of 432mm, is 29mm 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 800mm F5.6L weighs 3140g, which means it is 1360g (30%) lighter than the Canon 800mm f5.6L IS USM which has a weight of 4500g.
Filter Threads
Both the Canon RF 800mm F5.6L and the Canon 800mm f5.6L 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 800mm F5.6L has the Canon RF lens mount whereas the Canon 800mm f5.6L 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
800mm and the fastest aperture of
F5.6.