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p.1 #2 · p.1 #2 · Need advice: Canon 1.4x III with Canon 400mm f2.8 MK1? | |
Gonemad wrote:
I'm on the market to buy a teleconverter and many have suggested that Canon 1.4x III, while it works with all super-telephoto lenses, was designed to take advantage of the second-generation super-telephoto lenses. Since I have the Canon 400mm f2.8 MK1, would I just better off save some money and stay with Canon 1.4x II where the optical difference isn't significant compared to III? Please advise.
My experience on the 300 f/2.8L IS mk I and 500 f/4L IS mk I, was that they worked better in terms of focus with the mk II 1.4x and 2x than the mk III TC's, especially on cameras other than the 5D III and 1D X. Not saying you won't get good results with the mk III, but my 1D IV and 7D seemed to have less keepers. IQ wise the mk III 1.4x is not much different, maybe a wee bit more contrast and better edge and corner performance, so I'd save the pennies and get the mk II, unless you have a 5D III or 1D X. For the 2x, the mk III is a bigger improvement however.
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