85Specific Shutter Speeds and Aperture Values ([M] Mode)● After you set the shutter speed and aperture value, the exposurelevel may change if you adjust the zoom or recompose the shot.● Screen brightness may change depending on your specifiedshutter speed or aperture value. However, screen brightnessremains the same when the flash is up and the mode is set to [ ].● If ISO speed is set to [AUTO], the ISO speed setting changes tosuit the shutter speed and aperture in order to obtain a standardexposure. As a result, you may not obtain the desired exposureeffect.● The Auto Lighting Optimizer may change the image brightness.You can turn off the Auto Lighting Optimizer in [ ] mode (see thedownloadable Camera User Guide).● [ ]: Manual● Calculation of standard exposure is based on the specifiedmetering method (see the downloadable Camera User Guide).● In step 2, setting the shutter speed to [BULB] enables you toshoot in Bulb mode. In this mode, the shutter stays open whilethe shutter button is held down. For details, see the downloadableCamera User Guide.