The Viltrox Spark Z3-S flash for Sony is a compact and lightweight flash unit, weighing approximately 144 grams. It offers 7 flash output levels from 1/1 to 1/64, with a full power output of 26W and a fast recycle time of 1 second.

This flash unit features:

• M mode and automatic mode.
• Manual mode with support for synchronous triggering S1 and pre-flash suppression S2.
• Powered by a 3.7V/1800mAh battery, providing approximately 650 full power flashes.