Vintage Sunpak 28SR flash tested and working fine.
Thyristor circuit for power saving. Runs on 4 AA batteries - included. Clean battery compartment. Flash unit bounces and swivels. Hotshoe flash with built-in attachment cord for off-camera use with a cold shoe that neatly fits back into a slot in the flash body when not in use. Two Auto and one Manual mode as well as 6 power ratio modes.
$15.
