Vivitar 283 Tilt Shoe Mount Auto Thyristor Shoe Mount Flash-tested /working

Vivitar 3900 - Auto Thyristor - Off-Camera Flash - Tested / Flashes

Vivitar Auto Thyristor SMS30 Camera Flash / Shoe Mount Film - Tested Working

Vivitar 5200 Zoom Thyristor Universal Shoe Mount Camera Flash - Tested!

Vivitar Auto Thyristor 283 Flash, PLUS wire connector, Tested Works

Vivitar 3900 Auto Thyristor and Remote Sensor Flash Untested

Vivitar Auto Thyristor 2800 Flash Shoe Mount - Flash Tested

VIVITAR 283 FLASH AUTO THYRISTOR, SHOE MOUNT, TESTED WORKS GREAT