Canon has been blazing full speed ahead with its RF lenses, with two of the new models being the RF 800mm f/11 IS STM and the RF 100-500mm f/4.5-7.1L IS USM. Both feature some of the company's latest designs and features, but offer vastly different capabilities and price points. Which one is right for you? This excellent video comparison takes a look at the image quality and experience of using both.