jcolwell Offline Upload & Sell: On
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I think that 8 fps is pretty good for most action shooting, but the most important performance metric is how long the camera can sustain this frame rate, before the "write buffer" is full (and how fast does it empty). My 1DX and 1DIV both offer faster fps (12 fps and 10 fps), plus they can sustain that for a long time (forever, if you shoot in bursts, and have fast and capacious cards). The 1DII (8.5 fps) and 1DIII (10 fps) that I previously owned also had relatively "deep" buffers - way deeper than the 40D and 7D cameras that I also owned.
So, 8 fps on a 7D is nowhere nearly as good as 8.5 fps on a 1DII, because the 1DII can sustain this frame rate for much longer than the 7D. Plus, the 1DII had better AF than the 7D.
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