Your verdict on Canon 100-400mm IS USM

Started Dec 19, 2007 | Discussions thread
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Ron van Elst Contributing Member • Posts: 760
Your verdict on Canon 100-400mm IS USM

Just bought the 100-400 IS USM. At first look images look soft on 400mm even when stopped down to f9 / f10. I have the 500/4,5 USM and images from this lens are MUCH better, even at f4,5.

What's your experience with the performance of this lens? Please let me know.

Regards, Ron.

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