The Sunpak Digital Camera Flash Adapter is designed to let you use most existing shoe-mount flashes with virtually any compact digital and film camera that has a built-in flash, even those with no flash shoe.
The adapter has its own bracket and ergonomically contoured grip with built-in slave trigger. The slave sensor has 5 LED-indicated, button-selected mode settings, enabling it to synchronize with cameras using a wide variety of pre-flash and multiflash redeye-reduction systems.
Ordinary slave units do not synchronize properly with digital cameras, because digital cameras use very rapid series of pre-flashes which prematurely trigger a conventional slave.
There are many of these products upon the market, but the Sunpak Digital Camera Flash Adapter has been tested at B&H and can be characterized as a relative value. It is inexpensive and usually works (will not sync with Sony SLR cameras' popup flashes), though the range of the slave is quite short. Accepting any flash you have handy is certainly a strong suit. Looking at it another way, a generic L-bracket doesn't cost much less, and this offers an added advantage that could prove to make an average image stellar.