Max Shutter speed
Pentax K-500 can shoot continuously at max speed of
6 fps and has max shutter speed of
1/6000 sec.
Flash
K-500 has a built-in flash, and it also has a flash shoe to mount your external flashes too.
Focusing
Pentax K-500 features both Contrast Detection and Phase Detection autofocus (AF) systems which ensures speed and accuracy of focusing in most situations. The AF system has 11 focus points and 9 of these sensors are of Cross-type. Cross-type sensors locks focus faster and more accurate compared to single type sensors.
Pentax K-500 also features
Face detection AF where it intelligently detects the faces in the frame and locks the focus automatically.