Sony DSLR A700H User's Guide - Page 103

For details on the operation 1 page 32 Long exp.NR Long exposure makes noise conspicuous. When the shutter speed is one second or slower, noise reduction is activated to reduce the grainy noise that is common in long exposures. On When a long exposure of one second or longer takes place, the noise reduction process is performed for the duration that the shutter was open. While the noise reduction is being performed, the message "Processing..." appears on the LCD monitor. You cannot take the next picture until the process is over. Off This mode does not perform noise reduction. This is suitable when timing of shooting takes precedence. However, this makes the noise more conspicuous. It is recommended that you activate the noise reduction if you use long exposure. • Noise reduction is not performed on continuous shooting or continuous bracketing even when it is set to [On]. High ISO NR When the camera sensitivity is set high, noise in the pictures tends to become more noticeable. When the ISO is set to 1600 or above, High ISO noise reduction is automatically activated to lower the noise. High High ISO noise reduction is high. Normal High ISO noise reduction is normal. Low High ISO noise reduction is low. • When [High] is selected, the speed of continuous shooting becomes approx. 3.5 images/sec. Recording menu 103