Along with the new full-frame Lumix S1H, Panasonic also announced a new Micro Four Thirds lens, the Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 ASPH. lens. It offers a 35mm equivalent zoom range of 20-50mm.
The new lens features a de-clicked aperture with a rounded 9-blade diaphragm. The lens is currently available for pre-order for $1797.99. Check it out here at B&H Photo.