Sony SLT-A99V α Handbook - Page 150

Reducing the noise in an image Long Exposure NR When you set the shutter speed to 1 second or longer (Long exposure shooting), noise reduction is turned on for the same duration that the shutter is open. This is to reduce the grainy noise typical in a long exposure. When noise reduction is in progress, a message appears and you cannot take another picture. Select [On] to prioritize the image quality. Select [Off] to prioritize the timing of shooting. MENU button t 2 t [Long Exposure NR] t Select the desired setting Notes • When the exposure mode is set to Sweep Panorama or Tele-zoom Continuous Priority AE, or continuous shooting, continuous bracketing, [Sports Action] or [Hand-held Twilight] in Scene Selection, or ISO is set to [Multi Frame Noise Reduct.], noise reduction is not performed even when it is set to [On]. • When the exposure mode is set to Auto Mode or Scene Selection, you cannot turn off noise reduction. • Even when the shutter speed is set to 1 second or longer, noise reduction may not work, depending on the shooting conditions. High ISO NR The camera effectively reduces the noise that becomes more noticeable especially when the ISO sensitivity is higher. Normally, set it to [Normal]. You can also select [Low] or [Off]. MENU button t 2 t [High ISO NR] t Select the desired setting Notes • When the exposure mode is set to Auto Mode, Sweep Panorama, or Scene Selection, this item cannot be set. • Noise reduction is not performed on RAW images. 150