Powerful, compact, and equipped with a 2.4GHz Air radio receiver for wireless slave TTL functionality, the i60A Flash from Nissin will fulfill the needs of many professional lighting setups. It will h espandi...ave full support for all automatic flash functions. It is rated with a guide number of 197' at ISO 100 and 200mm settings and has a zoom head with a total range of coverage from 24-200mm. It can be expanded to 16mm with the built-in diffusion panel. Hybrid stills/video shooters can benefit from this flash as well thanks to a built-in LED video light for constant illumination.