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nightscape123 said:neuroanatomist said:heimdall999 said:...the AF Spread problem...
Let's see...the 6DII has cross-type AF points with the same horizontal spread as the cross-type points on my 1D X, Canon's penultimate flagship camera costing over 3-times the price of the 6DII. Oh, and those lateral cross-type points on the 1D X need f/4...with an f/5.6 lens, such as when I put a 1.4x TC on my 600/4, the 1D X cross type points are restricted to the center three columns. If I put a 2x TC behind the 600/4, a 6DII would maintain 27 AF points with the full lateral spread of the AF array. My 1D X with an f/8 lens? One selectable point, smack in the middle.
If you'd prefer to compare to the 6D, the 6DII has the same horizontal spread, and adds a much wider vertical spread at the lateral edges, meaning unlike its predecessor, the 6DII has AF points very close the rule-of-thirds intersections.
So...what's the 'problem' here??
I agree with the idea of your post but I did want to point out that only the 100-400 ii and the 200-400 maintain 27 focus points at f/8. All other lenses, such as the 600 f/4 with 2x only get the center point. Though to be honest if you can afford the 600 f/4 you are probably buying multiple 5d iv's or a 1dx2 and a 5div, not a 6DII.
The whole AF thing is moot with DPAF being fast and covering 80% of the sensor though. If you are shooting something too fast for DPAF then you are probably keeping it closer to the center of the frame anyway.
Thanks for the clarification/correction!
Incidentally, though I have a 600/4 II and a 1D X, and can afford a 1D X II, the improvements offered by the latter aren't sufficient for me to want to upgrade.
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