Sony has released firmware updates for a7RII and a7SII that Improve 4K movie recording time when using the vertical grip (VG-C2EM) or when the APS-C/Super35mm mode is activated. The updates also lists “improved picture quality” – please note this normally refers to Jpeg quality – not RAW.
Release Date: 12/18/2015
Benefits & Improvements:
PLEASE NOTE: Sony a7RII has been out longer so it gets FW 3.00 while a7SII gets FW 2.00 – but the updates are the same. Sony Firmware Updates are cumulative so if you missed a previous update you can skip it. All previous improvements are included in this update.
Before Updating Please Read:
Bulletproof Guide to Sony Camera Firmware Updates