47ShootingYou can manually set the shutter speed and aperture to shoot images.z When you press the shutter button halfway, the differencebetween the standard exposure* and the selected exposureappears on the LCD monitor. If the difference is more than ±2stops, “–2” or “+2” appears in red.* Standard exposure levels are calculated by measuring light according tothe currently selected metering mode..Manually Setting the ShutterSpeed and AperturePowerShot A540PowerShot A530z If you wish to change the exposure, select shutter speed oraperture using the button, then adjust the value usingthe or button.z If the zoom is adjusted after these values are set, the aperturevalue may change in accordance with the zoom position.z The LCD monitor’s brightness matches the selected shutterspeed and aperture value.When you select a fast shutter speed or shoot a subject in a darkplace, the image will always be bright if the flash is set to(Flash on, with red-eye reduction) or (Flash on).z The same shutter speeds that can be set for thePowerShot A540, can also be set for the PowerShot A530.See page 45 for details.z The aperture values that can be set for the PowerShot A530are shown below. Some aperture values may not beavailable depending on the zoom position. For thePowerShot A540, see page 46.z The aperture value and shutter speed change according tothe zoom state (p. 48).F2.6 F3.2 F3.5 F4.0 F4.5 F5.0 F5.5 F5.6 F6.3 F7.1 F8.0 F9.0F10 F11