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Canon Extenders II vs III

Started Jun 13, 2011 | Discussions thread
Dan_168 Forum Pro • Posts: 11,055
Re: Canon Extenders II vs III

I compared my TC 2X II to my friend's TC 2X III on the both 70-200 F2.8 IS2 and 300 F2.8 IS, the TC2 III is noticeably better, so I just sold my TC 2X II and the 2X III is coming next Tuesday.

Don't have the TC 1.4X III to compare myself but from what I read on the internet, the IQ difference between the new and old on the 1.4X is smaller than the the difference on the 2X II, so I would say just keep the TC 1.4 II if you already have one. and get the TC 2X III if you don't have any yet, I mainly plan to use the TC with the prime not the zoom, but it does work pretty good with the 70-200 F2.8 IS II so it's a convenient way (and weight saving) to get 400mm when I go hiking where I don't even know for sure if I need the 400mm or not.

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