Yongnuo Yn560-iii Speedlite Flash

The YN560III is powerful with a guide number of 58m at ISO 100, 105mm. The unit is also quite versatile with a zoom range of 24-105mm, which is able to be expanded to 18mm with the built-in wide-angle diffuser. Additionally, this output can be adjusted from 1/1 to 1/128 power in 1/3 and 1/2 EV steps.