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Author Topic: Canon 400mm f/5.6L and extender  (Read 2650 times)


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Canon 400mm f/5.6L and extender
« on: August 09, 2005, 10:13:26 am »

Any teleconverter will convert any lens to a longer focal length of lower quality. A 1.4x extender with the 400/5.6 will give you a 560mm f8 lens which, without autofocus and IS is not a particularly attractive option in my view.

Nevertheless, with lens on a sturdy tripod and a clear and contrasty target, you should be able to capture a more detailed image than you would without the converter.


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Canon 400mm f/5.6L and extender
« Reply #1 on: August 09, 2005, 09:41:44 am »

has anyone used the Canon 400mm f/5.6L with the 1.4x extender? can anyone tell me how good or bad the performance was?

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