Canon SX20 PowerShot SX20 IS Camera User Guide - Page 95

Setting the Shutter Speed and Aperture Value You can manually set the shutter speed and aperture to shoot images. D stands for "Manual". Set the mode dial to D. Aperture Value Shutter Speed Exposure Level Indicator Standard Exposure Level Exposure Level Make the setting. ● Press the b button to choose the shutter speed or aperture value. ● Turn the  dial to set a value. X The set exposure level appears on the indicator. You can check the difference against the standard exposure level. X When the difference is more than ±2 stops, the set exposure level appears in orange. When you press the shutter button halfway, "-2" or "+2" appears in orange. • The standard exposure is calculated according to the metering method chosen (p. 87). • If you use the zoom after making settings or change the composition, the exposure level may change. • Depending on the shutter speed or aperture value set, the monitor brightness may change. If the flash is raised and set to h, the monitor brightness will not change. • If you press the b button while holding down the shutter button halfway, the shutter speed or aperture value (whichever is not currently chosen) will automatically adjust to obtain the correct exposure. However, the correct exposure may not be obtained depending on the settings. 95