Reviews and Problems with Canon EF 24-70mm f/2.8L USM
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Value for money 5
Overall quality 6
Build quality 8
Canon EF 24-70mm f/2.8 USM L - Full Format Review / Test Report
25 October 2009
Conclusion: The Canon EF 24-70mm f/2.8 USM L is an impressive zoom lens upon first contact but it stayed somewhat short of the high expectations with respect to its optical characteristics. It can certainly produce sharp images if you know how to handle it but the pronounced field curvature at the wide end is a faux-pas which can often spoil the game. The vignetting and distortion characteristic is above average for a lens in this class.