I picked up a new Canon RF 600mm F11 lens today for my (older) Canon EOS R (not the R5 - I wish
) and took a couple of tripod mounted shots from the back garden.
The first one has been colour enhanced in PS CC to show the Titanium and Iron rich regions of the Moon.
The 600mm F11 is such a light lens, it is a delight to use and very compact when the sliding section is collapsed.
1/60 sec, F11, ISO100 tripod mounted, the flip out rear screen was very useful in framing the Moon which was almost at the Zenith - no cricked neck.
Cheers
Dennis