Pentax P30T P30T Manual - Page 32

EXPOSURE-MEMORY LOCK Memory lock not used Used The exposure-memory lock enables you to take button half-way while the memory lock is in use, an exposure reading in the Programmed AE or the memory lock will be maintained or, in other Aperture-priority AE mode, lock-in that reading, words, the exposure will remain the same. move your position, and then take the picture • When you wish to interrupt the memory lock, with the programmed reading. This is particularly just turn the main switch off. useful in high-contrast conditions, such as when 3. Recompose your picture and shoot; the subject your subject is back-lit or has a dark background. will correctly be exposed. The memory lock will 1. If you are taking a portrait, you can move in close to your subject and take a close-up reading automatically be cancelled as soon as you release the shutter. of the face. To hold that reading, depress Cautions the memory-lock button; this will hold • When the Pentax dedicated auto flash is used on the reading for about ten seconds, simultaneously this camera, the memory lock does not work. making the shutter speed (LED) you are using • If you accidentally depress the memory-lock flicker in the viewfinder at a faster speed. button with the camera in the Metered Manual 2. As long as you keep depressing the shutter mode, the shutter speed set will meaninglessly • 30 lock and flicker in the viewfinder.