SONY 300mm f/2.8GM VS. Canon RF100-300mm f/2.8L IS. Is Canon's Lens worth $4000 more???

The impact of the new SONY FE300mm f/2.8GM lens will be felt in many areas of photography. It is not a sports only lens like Sony thinks it is. But how does it match up against Canon's RF100--300mm f/2.8L IS lens? Is the Canon lens worth almost $3,000 more? Let's walk through this question together. Please feel free to post your comments and questions below. Please consider using my affiliate link for purchase: https://www.bedfords.com/27242928756 In order to save 5% on your total, put "PMR" in the coupon code at checkout. Once the lens actually ships. Bedfords will credit your card/account for 5% of your total purchase, just like Payboo, etc... You will not see that savings at checkout--but they are great about this and will credit once it ships :) Sony FE300mm f/2.8GM lens from Sony: https://tinyurl.com/mr48t5ec