The Metz mecablitz 58 AF-2 is the premier Metz shoe mount flash designed to be compatible with digital Pentax/Samsung SLR cameras. To better facilitate compatibility with cameras, this flash features a built-in USB port that allows for future firmware updates via the Internet. Advanced features include a secondary reflector with 3 light output ratios, built-in reflector card for soft light, a metal base for easy attachment, and a constant modeling light for pre-visualizing the flash. The 58 AF-2 has evaluative pre-flash and is designed to fully support a Sony Alpha digital SLR camera's TTL system. The flash also features an auto zoom head from 24-105mm that can be set to match the camera's sensor, a full bounce and swivel head (with a fully swiveling reflector system which also contains a flip-out reflector card and a diffuser), a built-in wide angle diffuser for 12mm coverage, and in addition, full manual control with 12 variable power output levels. If the camera has a built-in flash, the mecablitz 58 AF-2 can also be employed wirelessly in the system, even in servo mode.