Without any doubt, the suite of improvements and enhancements that Canon has made to it, combined with the weight loss, mean that I consider this the best 600 mm telephoto lens available and a benchmark product in photography at the time of writing.
Without any doubt, the suite of improvements and enhancements that Canon has made to it, combined with the weight loss, mean that I consider this the best 600 mm telephoto lens available and a benchmark product in photography at the time of writing.