canon rf 100-500mm f4.5-7.1 l is usm

What to do? Or do nothing? Thinking of three possible options where I limit myself to spending under $2k out of pocket. This is more or less a stream of consciousness which may spark discussion that may or may not be helpful to others. A. I currently have the Sigma 150-600 f/5-6.3...

Just trying to kick start this new forum focussed on lens sample image threads, something we have been missing here. Please do start your own thread if you can contribute other lenses, or add your 100-500 shots to this thread. Here are just a few images from my RF 100-500mm all shot with the R5.