The smartphone becomes a professional camera: SwitchLens upgrades the smartphone with an additional sensor and compatibility with lenses for particularly high recording quality. The system comes in various packages.https://www.notebookcheck.net/SwitchLens-Camera-is-compatible-with-many-lenses-and-uses-the-screen-of-a-smartphone.848984.0.html
I wish it had a USB connection, not Wi-Fi. My phone's main camera takes really blurry shots because I have dropped the poor guy a bunch of times
Can Leica M lenses be used?