The original Canon EF 100mm f/2.8L Macro lens was well known for being a versatile performer, offering 1:1 macro capabilities, sharp images, excellent image stabilization, and reliable autofocus, becoming a favorite of not just macro photographers, but portrait and wedding photographers as well. The new RF 100mm f/2.8L Macro IS USM brings some major improvements, and this excellent video review shows the image quality and performance you can expect from it in practice.