Sony first mentioned their new wireless radio controlled flash system in March and officially launched it in July. It allows the control of up to 15 separate flash units in up to 5 different groups. A very useful and welcome addition for Sony shooters. But, not every camera has been able to support the new system.
Sony have now released firmware v3.30 for the Sony A7R II. This update adds support for the new system, as well as a couple of other fixes and features.
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