Vivitar 283 bounce thyristor flashgun. Lighted calculator dial. Sufficient light indicator. Auto range: 3-43ft. In FULL working order.
Vivitar 283 Flash Unit, single pin hot shoe flash, excellent clean condition
Quantum Battery 1 & Vivitar 283 Flash Kit
Vivitar 283 Flash & Accessories #377
Vivitar 283 Auto Thyristor Vintage Camera Flash Unit (from the 1970s)
Vivitar 283 Electronic Flash Camera Accessory With C Bar Mount
Vintage Vivitar 283 Flash
