For bounce lighting applications, the EF-X500 can tilt from -10 to 90 degrees and offers a rotation capability of 135 degrees to the left and 180 degrees to the right. A significant enhancement of this flash is its full wireless master and slave TTL functionality, utilizing optical pulse communication to trigger and manage remote EF-X500 flashes across four channels and within three groups. Furthermore, the flash includes a multi-flash stroboscopic mode and operates on four AA batteries.

• Powerful guide number of 164 at ISO 100 and 105mm
• Zoom range of 24-105mm in 35mm terms, or 16-70mm for APS-C format
• Pull-out diffuser offers support for 20mm optics and pull-out bounce card helps provide additional fill light
• Daylight-balanced color temperature of 5600K
• High-speed sync possible with select cameras
• Manual power control of 1 1 to 1 512 in 1 3 stop steps
• Multi repeating flash mode with setting of 1-500 Hz for 2-100 flashes
• Flash exposure compensation of -5 to +5 EV in 1 3 EV steps
• Requires master EF-X500 on the camera body for wireless operation
• Optical pulse communication has four channels and three groups
• Runs on four AA batteries or optional EF-BP1 battery pack