This high-power flash has a maximum guide number of 58. By combining the TruePic image processor and TTL synchronization technology, optimal lighting is produced. It covers an illumination angle of 24-200mm and 14-20mm (35mm equivalent) when using a wide panel. The FL-900R has the highest sequential shooting tracking performance in its class[1] at 10 fps. Charging circuits optimized for NiMH batteries reduce charging time to approximately 2.5 seconds. The firing range has also been expanded to low intensity levels for enhanced tracking performance during high-speed sequential shooting
