When you need lighting in a flash, get the Sunpak Auto 522 Thyristor Handle Mount Flash. This Sunpak camera flash, handle-mount type flash unit, is built for use with many SLR cameras. With this Sunpak flash, forget about any dimly lit areas, or shadowed places anymore. The Sunpak Auto 522 Thyristor Handle Mount Flash with Thyristor instantly lights up the scene. This Sunpak camera flash charges up very quickly, in seconds. The Sunpak flash has a mounting bracket, sync cord and filter holder, Thyristor battery saving circuit.