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Canon 200-400 F4 or 400mm F2.8 ?

Started Oct 16, 2015 | Questions thread
Myrgjorf Regular Member • Posts: 464
Re: Canon 200-400 F4 or 400mm F2.8 ?

ISteve Balcombe wrote:

nimtree wrote:

Does the 200-400 zoom sucks dust? How is the in built teleconverter, useful ? Not sure if I want to use the in built one and make it a slow F5.6.

Internal or external makes no difference - any 1.4x TC costs a stop of light.

I don't agree. In my experience the built-in TC takes less IQ hit than the external (Canon x1.4 mk3). Both makes it a 280 - 560 F5.6 though.

I have often used the flexibility of the 200-560mm to get photos not possible with a fixed FL. But I am sure a fixed FL may be better in some scenarios. Though I haven't tried the 400mm F2.8 I think it is a very different beast useful for other workflows. I use my 200-400 with a 7D2 most of the time adding another x1.6 though I sometimes uses it with a 6D.

The 200-400 zooms internally so dust should not be a problem and I haven't had dust problems so far.

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