easf57ase7fske99898ffhhfh Lastolite has a section of free video tutorials. Reflectors, umbrellas, background lighting, Ezybox hotshoe (lightbox for small flashes/speedlights) etc. Here It’s Lastolite products, but you’ll get the idea even if you don’t use their product. Mark Cleghorn does the free demos. I like his book on portrait techniques. He understands lighting very well and he has a.