Vivitar Auto Thyristor 2800-D Camera Flash

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

Vivitar 3900 Auto Thyristor Tested Working With Mount

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

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

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

Vivitar 3900 Auto Thyristor Flash w/bracket, cable & block used good condition

Vivitar 3900 Auto Thyristor Camera Flash, No Batteries- Black