Pixel TF-325 flash hot shoe adapter enables you to trigger a Nikon, Canon or a standard hot shoe flash attached on top of the adapter hot shoe as well as triggering another flash connected via the PC sync lead. .It fits most Sony Alpha cameras including A77, A55, A900, A850, A750, A700, A550, A500, A380, A350, A330, A300 . It has a PC sync socket so you can connect an additional studio light or flash via a PC sync cable. The TF-325 hot shoe adapter is very useful when you need to use a hot shoe flashgun on a Sony Alpha DSLR.