ELB 500 TTL is an incredibly portable and powerful battery flash system allowing up to two ELB 500 heads to be fired from one pack. Featuring TTL (+/- 3 f-stops adjustable in 1/3 steps), Manual mode and High-Speed Sync with exceptional power delivery up to 1/8000s. Incorporating full asymmetry, built-in Skyport/Phottix Odin II, 400 full-power flashes from a single charge, fast recycling from 0.05 to 2.0 seconds, and an Active Charge feature, this Elinchrom flash is designed to empower the workflow of photographers in the studio and on location. With 500Ws and HSS (up to 0.5 f-stops more powerful) at your disposal, it’s easy to create dreamy backgrounds to suit your style in any condition. Freeze motion in Action Mode with a flash duration up to 1/20,000s, darken or outshine the ambient light or use a wider aperture with the Elinchrom Transmitter Pro. Combine it with the ELB 500 range of Q-Mount accessories to generate perfect light distribution and unmatched 5500K colour quality and consistency. The head weighs just 250g with a video-quality dimmable 14w (50w equivalent) daylight LED CRI 90+, 72Wh quick-release Li-Ion battery suitable for air travel, a portable modular system and a large OLED display.