public function getAperture()
    {
        if (!isset($this->data[self::APERTURE])) {
            return false;
        }

        return $this->data[self::APERTURE];
    }
public function getAperture()
    {
        if (!isset($this->data[self::APERTURE])) {
            return false;
        }

        return $this->data[self::APERTURE];
    }
public function getAperture ( ) { if ( ! isset ( $ this -> data [ self :: APERTURE ] ) ) { return false ; } return $ this -> data [ self :: APERTURE ] ; }
Returns the Aperture F-number

@return string|boolean
Returns the Aperture F - number