If the 27 point focus zone array is selected, along with "H" speed, the burst rate of my K-3 is both eager and constant, and seems to approximate the claimed 8.3 FPS. To me, the rate then sounds much like that of the AF-S shutter priority setting. I didn't find this in the thin manual, it just happened when I chose to try a full 27 point zone rather than 9. I tried it out at the local refuge yesterday and found it to be a great improvement.
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