out-of-focus

Hi. I own a Canon R7 and a Canon RF 16mm f2.8 lens. When I try to focus, only Manual focus mode works. Nothing more. I change to my RF 35 mm and the R7 focus without problems. But once I put the RF 16 back, no auto focus, only manual. I put the RF 16 in my R6mkII and it focuses automatically...

Hi all, I bought the R7 two weeks ago and have been shooting with my old EF 70-300 zoom lens and an older EF-S lens that came with my EOS 300D. Both lenses use the Canon adapter to mount to the R7 body. While the pictures shot with the EF lens are perfectly in focus, the EF-S poses a problem...