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 IS USM and the Canon RF 800mm F11 IS STM 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 800mm F5.6L IS USM is the longer of the two lenses at 432mm. The Canon RF 800mm F11 IS STM with a length of 352mm, is 80mm shorter. Besides being longer, the Canon RF 800mm F5.6L IS USM also has a larger diameter of 163mm compared to the Canon RF 800mm F11 IS STM's 102mm diameter.
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Below you can find a scaled side-by-side image of Canon RF 800mm F5.6L IS USM and Canon RF 800mm F11 IS STM 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. Canon RF 800mm F11 IS STM weighs 1260g, 59% (1880g) lighter than the Canon RF 800mm F5.6L IS USM's weight of 3140g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Canon RF Mount for size comparison purposes.
Super Telephoto Lenses in Canon RF Mount for Size Comparison
Filter Threads
The Canon RF 800mm F5.6L IS USM has a filter size of 52mm whereas the Canon RF 800mm F11 IS STM has a 95mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Canon RF 800mm F5.6L IS USM:
And these are the 95mm filters that we recommend for the Canon RF 800mm F11 IS STM:
Lens Mounts
Both the Canon RF 800mm F5.6L IS USM and the Canon RF 800mm F11 IS STM has the same Canon RF lens mount. Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R100, Canon R8 and Canon R50.
Focal Range
Both lenses have the same focal range of
800mm but while Canon RF 800mm F5.6L IS USM has the fastest aperture of
F5.6, the Canon RF 800mm F11 IS STM's widest aperture value is
F11.