Have you looked at the app called "Shoot"? It gives you manual control of ISO, shutter speed, and white balance, among other things. I think it's important to d

Have you looked at the app called "Shoot"? It gives you manual control of ISO, shutter speed, and white balance, among other things. I think it's important to distinguish between the iPhone's camera (sensor & lens) and the iPhone's built-in Camera app. That said, I do wish it were possible to save raw images in the Camera app.