Power your older Sunpak flash heads with this 622 Super Pro Flash Body. It allows you to connect a Standard, Zoom, Ring Flash, Wide Angle, or Infrared head for enhanced flash capabilities and it is compatible with a variety of dedicated TTL modules for automatic flash metering. Also, it allows for tilt upwards 90° and rotation of 330°. In addition to TTL support, it can be set to manual settings from 1/1 to 1/128. Additionally, it terms of power it can be run off of four C batteries, an external power pack, or an AC adapter. And, depending on which power source is being used it has a recycle time of 0.25 to 20 seconds.
Canon EOS (Non-AF)
Mamiya 645 Pro-TL