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scyrene said:AlanF said:If you want long reach for bird photography, you have to choose the right body as well as the lens. The 7DII (as does the 7D) has AF at f/8. The new 80D has superior AF at f/8 by having the 4 points surrounding the centre one active - even better than the 7DII and 5DIII etc. None of them are cheap.
I thought you could have the four surrounding AF points active (as support) at f/8 on the 5D3 too? When I press the M-Fn button and cycle through the options, one of them is the centre point and four surrounding ones highlighted. Is that not the same thing?
The way it's described on Canon DLC (see p.2), only the center point is active with most f/8 combos. That differs from the 1D X, 5DIII and 7DII where the center point is assisted by 4 surrounding expansion points.
However, when the 80D is used with two specific lens+TC combos – 100-400 II + 1.4xIII or 200-400 + 2xIII (built-in 1.4x disengaged) – will allow 27 AF points at f/8.
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