Pentax K100D User Manual - Page 132

130 Fixing the Focus (Focus Lock) If the subject is outside the range of the focusing area, the camera cannot automatically focus on the subject. In this situation, you can aim the focusing area toward the subject, use focus lock and recompose the picture. Function Reference 1 5 Frame the desired composition for your picture in the viewfinder. Use focus lock function when the subject you wish to focus on is not inside the focusing area. 2 Center the subject to focus in the viewfinder and press the shutter release button halfway. The focus indicator ] appears and you will hear a beep when the subject comes into focus (if it is blinking, the subject is not in focus). (Example) The person is out of focus and the background is focused instead. 3 Lock the focus. Keep the shutter release button pressed halfway. The focus will remain locked.