Olympus FLASH WIRELESS FL-36R. Works with DSLR E-System, C and SP series cameras with TTL Hot Shoe. The FL-36R is a lightweight and compact wireless external flash. Wireless flash transmission channel settings can be controlled from the camera body, and they enable selection of flash/no flash for groups of multiple flash units. It's equipped with a 1/8 step illumination control for precision shooting, a wide-angle diffuser panel for even illumination with wide-angle lenses and a compact zoom head to accommodate lenses from wide-angle to telephoto.