With slave unit. In good working condition. Each requires 4 AA batteries. Variable power output. Automatically calculates and adjust flash duration and brightness to achieve correct exposure.
Vivitar 220PZ Auto Flash Camera - Rare Tested And Working AA Battery - Vintage
VIVITAR 628af auto focus illuminator flash gun for Nikon F range of Cameras
Vintage Vivitar 2800 Auto Thyristor… Not tested.
Vivitar 636AF Auto Focus Illuminator Camera Flash Flashgun Vintage Camera Access
Vivitar 550FD Auto Thyristor Shoe Mount Flash - Very Good Condition
Vivitar 530FD Auto Thyristor Flash Gun Hot Shoe Untested
