Meet the DxO One: a smart camera that attaches to your iPhone via its Lightning port, allowing you to control its settings from an app. It has a variable 6-blade iris and a 1-inch 20.2MP CMOS BSI sensor, so you can capture high-resolution images on the go. You get to use your iPhone display as your viewfinder. The device is lightweight and swivels 60 degrees in either direction to give you more flexibility.
The DxO One camera has a built-in microSD card. It also lets you store photos or video on your iOS device.