VIVITAR 285 Zoom Thyristor Flash Vari-Power & exc. Battery Holders UNTESTED

Cobra auto 210 FLASH GUN BUILT IN SYNC IDEAL FOR Olympus OM10 20 30 4Ti etc

Sirius AR18BA Bounce Head & Vivitar Zoom Thyristor 2500 Flashgun - FREE P&P

Vivitar Auto Thyristor 225 Flash Unit - Un-Tested

Vivitar Zoom Thyristor 2500 Flash Gun - Working

Two Vivitar 255 Auto Thyristor Flash Guns.

Vintage Vivitar Zoom Thyristor 3500 Flash with Pentax Dedicated Module DM/P

Vivitar Zoom Thyristor 2500 Flash