Panasonic designs and makes their own lenses, as well as in cooperation with Leica. The US distributor doesn't have a dedicated page for lens information, but you can find specifications and other information on their shop-and-compare page here.
Future lenses in development (2014 or later):
- Leica 42.5mm f/1.2
- Lumix 150mm f/2.8
(This rest of this page is an "accordion" of the sub-pages: you can click on a colored product name header bar below to reveal the contents of that sub-page here, or you can use the menu system above to navigate directly to a named sub-page.)