A flagship supertelephoto prime valued for being relatively portable at 800mm compared to the DSLR-era EF 800mm — helped by a rear drop-in filter and smaller front element. Bought by professional wildlife, birding and sports photographers needing extreme reach with L-series build and fast, accurate AF, often paired with RF teleconverters for even greater reach.
Select up to 2 cameras to compare against the RF 800mm f/5.6L IS USM. It's always pinned as the baseline.
4 cameras compatible with the Canon RF mount.
Base score — computed from verified specs for an enthusiast shooting photo and video. Camera Match adjusts it for your skill level and priorities.