Second generation high-performance advanced flash.

• GN54 (200mm)/GN48(105mm)*ISO 100

• E-TTL / E-TTL II for Canon

• i-TTL for Nikon

• Suitable for lens from 24 – 200mm

• Selector dial

• High-speed synchronisation

• Wireless TTL Slave – Group A – C (any channels 1 – 4)

• Socket for Power Pack