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Guys, the D750 is going to shoot at 7.0 frames per second.Consider the likely limiting factors:Battery power (important)Autofocus (not important, the auto-focus is the same as the D4s)Processer speed (important)Other limiting factors (can be limiting factors, but easier to design around)Let's assume that the mechanism has a same power requirement as a D810 and that the D750 takes a battery pack similar to the MB-D12. The D810 is limited to 7 fps in its fastest mode, which is DX with the MB-D12. If this is the case, then we are talking 7 fps.Let's assume that Nikon has upgraded the power and the limiting factor is processor speed. Consider a D810 can shoot at 5 frames per second at 36 megapixels. Assuming that the D750 is a 24 megapixel camera with the same Expeed 4 processor as the D810/D4s, then 5 * 36 / 24 = 7.5 frames per second. Using the same math to using the D4s as a basis, we get 7.33 frames per second, but the limiting factor with the D4s is likely mechanical or autofocus performance.I doubt that Nikon would significantly upgrade the power supply just to get an extra half frame per second. They will want to realize volume efficiencies here. Therefore, I predict that power will be the limiting factor and we get 7 frames per second.However, if I am wrong, then it will be 7.5 frames per second as the Expeed 4 processor will be the limiting factor.
Any consensus on the size of the camera? The top LCD screen looks wider than the D7000 screen.
I would be really surprised if you couldn't map the AE Lock button to work as an AF On Button. That would probably be the first thing I do. I always use the AF button and I'm not sure I've ever used the AE Lock button... on purpose.
Checked NIKON USA and B&H and there is no data on the FPS with the battery grip.Give credit to Peter for all the updates on the main BLOG. Outstanding work getting all the info posted.