Shutter-priority AE The shutter-priority AE (Tv) mode lets you set the shutter speed. The camera then chooses the aperture for correct exposure. A fast shutter speed will 'freeze' fast moving subjects while a slower one can be used for creative effects and also in poor lighting conditions. Fast shutter speed freeze the water Slow shutter speed creates a sense of motion High shutter speed allows shallow depth-of-field TV mode is also great for candid or snapshots << Back to Main . 1 . 2 . 3 . 4 . 5 . 6 . 7 . 8 . 9 .