Vintage Vivitar 3500 Zoom Thyristor Flash Kit for Canon Boxed with DM/C Module
VIVITAR 285 Zoom Thyristor Flash Vari-Power & exc. Battery Holders UNTESTED
Vivitar 285HV Vintage Camera Zoom Thyristor Flash With Diffuser TESTED
Vivitar 285HV Zoom Thyristor Flash With Diffuser
Cobra Auto Thyristor Electronic Flash Unit with batteries - VGC and Tested
Cobra D425 Auto Thyristor Flash Unit Boxed With Manual New Old Stock Never Used
