Developer apps cydia release CamBlur7 , This tweak works with iOS 7 or higher. CamBlur7 v1.0-3 tweak for transform the Camera application interface so that the interface appears with the great looking aesthetic appeal of a transparent blur rather than as a black border. After installation this tweak you can configure from Settings.
What’s New In CamBlur7 v1.0-3
- Initial release.