How to Light a Person for an Interview
One of the many positive aspect of owning your own DSLR (and its complementary) equipment is that you can reimburse your investment by shooting documentaries, music videos, profile videos and of course corporate videos.
But depending of the situation, the final product ,and the budget (that went down drastically too) you also might have to deal with everything on your own, and in the moment and under pressure, forget the basics for good lighting.
They go for a four lights lighting technique and use professional equipment, and that might not always be what you have, but it is still a good refresher as of what should an interview look like, and comes as a good complements to Eve Hazelton‘s tutorial on how to light a space when shooting with a DSLR:
1- Key Light : the main light for a scene or an interview. Its color temperature and intensity will serve as point of reference for the other lights. The three other lights will be of a same temperature with lightly less intensity.
2- Fill Light: here to balance the key light.
3- Hair Light: create separation between the subject and the background
4-Background Light: to highlight the background
Check F-Stoppers article to have a look at the equipment they use.