Output and Operation. The EF-X500 is daylight balanced for 5600K. It features a 24-105mm (full-frame equivalent) zoom range, a 20mm wide panel, and a GN:164’ @ ISO 100/105mm flash output. There are manual power settings from 1/1 to 1/512 and compensation adjustments from -5 EV to +5 EV. You can remotely operate this flash via TTL with a second X500 attached to the camera.

Functionality. The X500 Flash can be adjusted from -10° to 90° tilt for bounce and will swivel in a 315° radius (135° left and 180° right). There’s also a continuous LED light for video purposes. The unit is powered by four AA batteries (not included).