Originally I tested it on a 30mp EOS R. This video is just in case you were curious how it performs on Canon's most demanding cameras.

Original review:
   • Canon RF 2870mm f/2 'L' USM lens rev...  

Find it here (Amazon affiliate link):
https://geni.us/canonrf2870f2

This lens will /not/ work on digital SLR cameras, or Canon EOS M cameras only Canon EOS R system cameras.

All sample pictures taken by me on a Canon EOS R5 and R7 camera.

Support me on Patreon!   / christopherfrost  

Equipment I use for making these reviews and other videos:
Equipment I use to make my videos (Amazon affiliate links):
Canon EOS R5: https://geni.us/CanonEOSR5Body
Canon EFRF Adaptor: https://geni.us/CanonEFtoRF
Sigma 50mm f/1.4 'Art': https://geni.us/Sigma50mm14Art
Canon RF 35mm f/1.8 IS STM: https://geni.us/CanonRF35mm18Macro
Marumi Fit and Slim CPL Filter: https://geni.us/MarumiFitSlim77
AudioTechnica AT2020USB+ Microphone: https://geni.us/AT2020USBPlusMic
Rode Smartlav+ Microphone: https://geni.us/RodeSmartLavalierPlus
Rode SC3 adapter: https://geni.us/RodeSC3MicAdaptor
Zoom H1n Recorder: https://geni.us/ZoomH1nMiniRecorder
DJI Mini 2 Drone: https://geni.us/DJIMini2FlyMore

Music:
'Opportunity Walks', Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/b...