Vivitar Auto Thyristor 4600 System Flash

Vivitar 4600 Flash w/High Power Zoom Head, & Pentax module, clean throughout

Sunpak Auto 522 Thyristor Flash w/ Bracket Handle Vintage Camera Flash Unit

Vivitar Auto Thyristor 2800-D Camera Flash

Vintage Vivitar 283 Automatic Electronic Flash

Vintage Vivitar 272 Auto Thyristor Camera Flash Equipment - TESTED & WORKS

VIVITAR Auto Thyristor 550FD Flash Pentax K1000 Canon AE-1 Minolta X700 Olympus