If you shoot lots of motion and wish AF monitoring, the USM motor in the one hundred–300 USM lens will be helpful for you. You’ll probably discover the AFD motor of the one hundred–300L to be a bit slow. If, nevertheless, you don’t want fast autofocus, and also you’d somewhat get the advantage in picture high quality that an L lens offers, go for the 100–300L.
While the buffer has improved slightly, this improvement only applies to the JPEG format. When capturing in RAW, the camera solely provides between 5-6 frames before slowing to speeds of 1 fps. Thus, it’s not perfect for quick action, sports activities, or wildlife purposes if capturing in the RAW format is critical to your workflow. Also of note, shooting with continuous AF, the burst price slows to 2 fps, which is far decrease than the competitors at this price.
It’s a bit more expensive, …