Converter
The RF 1.4x has been disappointing and I will stop using it. Practically I have not been able to get any good shot with it. The drop off in sharpness (the result of my inability) is something I was not able to compensate for, maybe with a tripod and an external trigger.
Canon · EOS R5 · 1,120mm · ƒ/13.0 · 1/3200s · ISO 6400