Vintage Vivitar Auto Thyristor 550FD Flash Unit for [Nikon/Canon/Pentax Tested

Vintage Vivitar 352 Electronic Flash

Vivitar Auto 252 Electronic Flash Unit - Not Tested

VIVITAR 283 AUTO-THYRISTOR FLASH + HVC-1 BATTERY PACK CONNECTING CORD AND MORE

Vivitar Auto Thyristor 2800-D Electronic Flash Unit (TESTED & WORKING)

Vivitar 283 Auto Thyristor Electronic Flash With Box Not Tested

Vivitar 283 Auto-Thyristor Flash Made in Japan version S8

Vivitar VIV-SF-3000 Battery Powered Camera Flash Attachment Clean and Tested