Quick and easy to use
High-speed sync and nine-stage video lithing function
Guide number of 40 for focal lengths from 24 to 105 mm
Although the SF40 flash unit is particularly easy to use, it offers a full range of features like high-speed sync and a nine-stage video lighting function.
A guide number of 40 for focal lengths to 105 mm and a compact size make it an ideal companion when travelling light.