Lenovo and Hasselblad finally showed their long awaited True Zoom MotoMod for their Moto-Z series of smartphones. 300 US-Dollars will give Moto Z users true 10 times optical zoom, RAW support and a bigger pixel size camera, but no additional battery.
http://www.notebookcheck.net/Finally-Lenovo-and-Hasselblad-reveal-the-long-awaited-True-Zoom-Moto-Z-MotoMod.172962.0.html