Reviews and Problems with Canon EF 100-300mm f/5.6L
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Overall quality 7
Build quality 4
Canon EF 100-300mm f/5.6 L - Review / Test Report
9 November 2007
Conclusion: The Canon EF 100-300mm f/5.6 L can still convince optically with very high resoltion figures, low distortions and quite low vignetting (on APS-C). However, mechanically the lens is totally outdated and clearly substandard compared to current Canon L lenses. In fact most of today's consumer zooms are better in this respect.