More pictures of the upcoming Panasonic Lumix S 70-300mm f/4.5-5.6 OIS mirrorless L-mount lens leaked online (see also this post):
Here are the specifications of the Panasonic Lumix S 70-300mm f/4.5-5.6 OIS mirrorless lens for Leica L-mount:
Update - additional information leaked online:
Via Nokishita