K-r AF Accuracy Comparison: FW V1.10 Vs 1.01, under Yellow and White Light Sources

I think we have more than enough "Pentax Q" news and talks today, too much in a way that we have almost forgot our K-mount system, and the various issues of the current lineup. (and its future!)Two days ago, Pentax released the firmware version 1.10 for the K-r, K-5 and 645D, officially claimed to support the new GPS add-on module of O-GPS1, as the only change to this update.During these two days