%Image::ExifTool::UserDefined = (
	'Image::ExifTool::Composite' => {
		MyAEB => {
		    Desire => {0=>'AEBBracketValue'},
           	    ValueConv => '$val ? sprintf("%.1f", $val) : "0"',
		},
                MyDir => {
            	    Desire => {0=>'AEBBracketValue'},
            	    ValueConv => '$val ? ($val > 0 ? "AV" : "-AV") : "0AV"',
        	},
	},
);