Pentax ES ES Manual - Page 16

.,„ 14 R 3 5 I 4 2 1 TTL METERING AND AUTOMATIC SHUTTER For open-aperture reading, be sure that the stop-down lever is DOWN. After cocking the rapid wind lever, press the shutter release button lightly to switch on the electric circuit. The meter needle in the viewfinder indicates the correct shutter speed. A P % ril 15 N 3 If the needle goes above "1000", close down the diaphragm until the needle moves below "1000". If the needle goes below "1", the shutter speed indicates an exposure longer than 1 second. The electronic shutter of the ES is guaranteed to work properly down to 8 sec. (When making longer exposures with your eye off the viewfinder, use the viewfinder cap to shield the light coming in through the viewfinder, as it may interrupt the correct exposure.) Caution: At slow speeds - slower than 1/30 sec. - support your camera rigidly or use a tripod to prevent camera movement. Depress the shutter release button completely when ready to take your picture. When the shutter is released and your finger is off the shutter button, the meter circuit is off and the needle will return to the top of the scale.