PENTAX K10D IMAGE canopy of large oak tree

canopy of large oak tree,camera used pentax K10D,lens 18mm-50mmDA,camera mode aperture priority,aperture used f22,shutter speed 0.3sec,center weighted metering,sensitivity 100,white balance daylight,tripod.Laboratory 3 used exposure was 1 stop over exposed possibly due to the sky and sunlight shinning through the branches.