I've included what the backdrop look like without people in it, and also what it looks like with several different kinds of skin tones so those of you who are thinking about buying this can take that into consideration with your potential clientele. As you can see, at least with just a horseshoe flash, people with darker skin tones definitely looked better with this backdrop.
So why only 4 stars and not 5? I personally don't like the very top of the backdrop. If you look at the pictures carefully (I don't know if you can actually see this because I tried to crop these out), it looks like there are ceiling lights on a dark alley street. Scientifically, that's impossible and realistically, it looks WEIRD. But other than that, it's near perfect for what you're paying for.
In summary, the key factors to getting the backdrop and subject lit in a similar exposure zone is distance; The distance of the subject to the background and the distance of the light source to the subject. Decrease the distance of the subject to background and increase the distance of the main light to the subject to make this easier. The key factor for getting a soft and directional quality to the light is also distance, but it's the opposite. By getting the light closer to the subject, we can create a softer light with more directional qualities. Also remember that these qualities of the light are relative to the size of the light source. If you are using a smaller light source, you will need to get it in closer to hold those transitional values. If you are using a larger light source, you may be able to get your light further back and still hold those soft-light qualities. Also, if the examples and basic principles here make sense to you, you have kind of just learned the inverse square law!
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