By activating LUMIX S1 with Upgrade Software Key DMW-SFU2, you can enjoy best-in-class 14+ stops V-Log with your LUMIX S1, as well as many other advanced video functions for use in a professional setting.

Original unopened box from Panasonic, this arrived after I sold my S1. Save a massive £60 off the price of the same box from Panasonic. Send an email to smallvideo@mac.com if you are interested.