Vivitar HV Flash with Zoom Thyristor - Automatic, Manual
Automatic, Manual - The built-in variable power of the Vivitar 285HV auto professional flash provides you with fill flash and the ability to shoot properly exposed rapid-sequence ...
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As low as $84.79
User Review: Bought because the 285HV has a 12 volt trigger. Digital cameras can be damaged by the older units 200+ volt trigger. The unit can be simple to use or as complex as you want to make it.