A 2013 L super-telephoto zoom with a built-in 1.4x extender (280-560 mm f/5.6), 4-stop IS, weather sealing and a three-position focus limiter.
Select up to 2 cameras to compare against the EF 200-400mm f/4L IS USM Extender 1.4x. It's always pinned as the baseline.
24 cameras compatible with the Canon EF mount.
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