SUPERIOR LIGHTING - Achieve perfectly illuminated macro shots with a guide number of GN74 (ISO 100, in meters), ensuring optimal light output for detailed photography. RAPID RECYCLE TIME - Minimize downtime and capture every moment with an impressive recycle time of just 0.1-1 second, keeping you ready for continuous shooting. TTL METERING - Experience seamless integration with Sony cameras through TTL metering, providing accurate and automatic exposure for consistently stunning results. INTUITIVE POWER CONTROL - Adjust light output precisely with a wide power range from 1/1 to 1/256 in 1/3 stop increments, offering unparalleled control over your lighting.