If On is selected when the camera is usedwith the built-in flash or an optional CLS-compatible flash unit (_ 381 ), a modelingflash will be emitted when the camera depth-of-field preview button is pressed (_ 117).No modeling flash is emitted if Off isselected.Choose the setting or settings bracketed when auto bracketing(_ 132) is in effect. Choose AE & flash (AE_)to perform bothexposure and flash-level bracketing, AE only (AE)to bracket onlyexposure, Flash only (_) to perform only flash-level bracketing, WBbracketing (WB)to perform white balance bracketing (_ 137), orADL bracketing to perform bracketing using Active D-Lighting(_ 141). Note that white balance bracketing is not available atimage quality settings of NEF (RAW) or NEF (RAW) + JPEG.307