Canon today officially announced its new 200-400mm f/4L IS 1.4x extender lens. No, that’s not two products mistakenly smashed into one name — the lens features a built-in 1.4x extender that can be activated with the flip of a switch.
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Way back in February 2011, Canon announced that it is developing a new EF 200-400 f/4L IS 1.4x super-telephoto lens. Since then, there hasn’t been much news on when we might finally see the lens on store shelves, and Canon has issued a couple of press releases stating that it has been delayed. Rumors are now emerging that Canon had to go back to the drawing board with the lens in order to resolve a design flaw that had been reported during tests.
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