Canon PowerShot A590 IS PowerShot A590 IS Camera User Guide - Page 76

74 Setting the Shutter Speed Available Shooting Modes p. 206 When you set the shutter speed, the camera automatically selects an aperture value to match the brightness. Faster shutter speeds allow you to catch an instantaneous image of a moving subject, while slower speeds create a flowing effect and allow you to shoot without a flash in dark areas. 1 Set the mode dial to . 2 Set the shutter speed. 1. Use the or button to change the shutter speed. 3 Shoot. • If you press the shutter button halfway and the aperture value is shown in red, the image is underexposed (insufficient light) or overexposed (too much light). Use the or button to adjust the shutter speed until the aperture value shows in white. The nature of CCDs is such that noise in the recorded image increases at slow shutter speeds. This camera, however, applies special processing to images shot at shutter speeds slower than 1.3 seconds to eliminate the noise, thereby producing high-quality images (Nevertheless, a certain amount of processing time may be required before the next image can be shot).