The sony hvl f60m flashgun lets you expand your creativity and offers the photographer a simple and portable lighting solution for working photographers and videographers alike the f60m delivers high illumination output in a compact lightweight body with an effective range of more than 90 feet 28m and a guide number of 60 the built in led video light has an illuminating distance of approx 2m at iso 3200f56 and is suitable for taking stills and capturing video sonys patented quick shi