Pentax K-7 Digital Camera - Hands-On Preview - The Imaging Resource!
Compared to the K20D, the new Pentax K-7 feels faster and more responsive in virtually every respect. One area of particular improvement appears to be its AF system.
We don't have a quantitative measurement of AF performance in our test suite, and as of this writing have been able to make only limited and fairly unscientific comparisons between the prototype K-7 and K20D, but our strong subjective impression has been that the Pentax K-7 achieves focus much more quickly in difficult situations of low light and/or low subject contrast than does the K20D. This contributed greatly to the sense of responsiveness we felt when using the Pentax K-7.
wohooo
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