The Sunpak PZ42X TTL Shoe Mount Flash is a flash unit designed to fully support current advanced digital SLR cameras. It is fully compatible with Canon E-TTL II enabled cameras.

The PZ42X has many advanced features, such as: automatic zoom head from 24-105mm, bounce and swivel capabilities, built in wide angle diffuser, and AF assist. It also offers several manual controls for the experienced photographer. It offers a bright and easy-to-read LCD display and easy-to-use controls for manual flash output, digital or film lens coverage and zoom head settings.