Reviews and Problems with Canon EF 70-300mm f/4-5.6L IS USM
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Value for money 9
Picture quality 10
Canon EF 70-300mm f/4-5.6L IS USM Review
What Digital Camera
29 June 2011
Summary: This is a really lovely lens that has been a positive pleasure to test. It is fairly expensive but this is a professional zoom and is priced accordingly. As such it cannot be considered to be a bargain but neither is it unreasonably positioned within Canon’s line-up.
Summary: Canon's EF 70-300mm f/4-5.6L IS USM lens doesn't have the impressive numbers you would expect from a professional optic, especially in the aperture range, and its compact size has meant some of the sleek features such as internal zoom haven't been possible.
Conclusion: We'd be hard pushed to find a weakness in this lens. The only negative we can find is the edge sharpness at 300mm with a wide aperture selected, but we're clutching at straws to be honest. This Canon optic is very impressive.