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Canon EF 70-200mm f/2.8L IS II - or - Canon EF 100-400mm f/4.5-5.6L IS II

Started Jan 9, 2016 | Discussions thread
ShortestPath Forum Member • Posts: 74
Re: Canon EF 70-200mm f/2.8L IS II - or - Canon EF 100-400mm f/4.5-5.6L IS II
1

I would take that with a grain, actually a sack, of salt. The two lenses are in a similar league regarding image quality, so how could the 70-200 w/2x TC be *still* as good as the bare 100-400? At the long end the 100-400 actually has better MTF than the 70-200 without TC! All that test proves is that you can't judge two lenses just by taking a few handheld shots and eyeballing the results, not even if you are Tony Northrup.

I don't want to knock down the 70-200 (I'd be the last person to do so, I just bought it...), but every lens has its limitations, only you can decide which one is best for your use. For objective IQ comparisons you're better off using tools like the ones on TDP. For reference:

70-200 vs 100-400 MTF comparison at the long end http://www.the-digital-picture.com/Reviews/MTF.aspx?Lens=687&FLI=2&API=0&LensComp=972&FLIComp=2&CT=AVG

70-200 w/2x TC vs 100-400: http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=687&Camera=453&Sample=0&FLI=5&API=0&LensComp=972&CameraComp=453&SampleComp=0&FLIComp=4&APIComp=1

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