Canon 100 400mm IS USM L lens review with samples ( APS C and full frame)

Here s another stalwart of Canon s L lens lineup the famous, and popular, 100400mm IS USM. It s getting on a bit nowadays is it still as sharp as we d all like it to be All pictures and footage taken by me on Canon 6D and 70D cameras. Music: Opportunity Walks, Kevin MacLeod Licensed under Creative Commons: By Attribution 3. 0