After shooting the standard exposure using the meter’s incident lightsettings, manually change the camera shutter speed to shoot one shot at +3EV over the one used for the standard exposure. Then change th e shutter speed to take one shot 3EV under the one used for standardexposure.・ The example below assumes meter settings and a standardexposure of f/5.6 at 1/30 second. Your settings might be different.