Canon 600EX II-RT

£ 18

Complete with built-in radio transmission wireless functionality, the Speedlite 600EX II-RT sits at the top of Canon’s on-camera E-TTL / E-TTL II compatible flash lineup with a powerful guide number of 197′ at ISO 100 and 200mm. This revision improves continuous flash performance by 1.1-1.5x, and includes a specially designed bounce adapter, and a hard color filter.