Is it WORTH the extra cost? Canon RF100-500 L vs RF 100-400 for Bird Photography

In this video I want to help you to choose the right telephoto zoom lens from Canon. There are big differences in weight, size and price, but also in bokeh and image look. I also tested the image sharpness and autofocus. Check out my E-Book of how to get better bird pictures: https://naturfotografie-fopp.ch/wp/e-book-bird-photography/ You can buy both lenses here (Affiliate Links): Canon RF 100-400 f/5.6-8 (Adorama): https://adorama.rfvk.net/3ek00d Canon RF 100-400 f/5.6-8 (Amazon): https://amzn.to/46mpwWw Canon RF 100-500 f/4.5-7.1 L (Adorama): https://adorama.rfvk.net/GmbdkL Canon RF 100-500 f/4.5-7.1 L (Amazon): https://amzn.to/3Xoc6W3 Canon RF 1.4x Extender (Teleconverter): https://adorama.rfvk.net/3e9Z9K