The Panasonic Lumix S1‘s V-Log firmware upgrade now available, you can now get this V-Log firmware upgrade for free when buy S1 body or kit at B&H Photo Video/Adorama.
V-Log
Video Tests on Panasonic Lumix S1 with V-Log and Firmware V1.2
Here are a few tests and reviews of Panasonic Lumix S1 with V-Log and AF firmware version 1.2.
Panasonic S1 4:2:2 10-bit and V-Log Paid Upgrade will be Released in July
Panasonic has issued a press release that Panasonic Lumix S1 (B&H Photo Video/Adorama/Amazon) 4:2:2 10-bit and V-Log paid upgrade will be released in this July, pricing for this upgrade has yet to be determined, though Panasonic says that it will be announced sooner than July.