Great ideas about soft light. In previous articles you’ve described how you used fill on the same side as the key. I hope you’ll talk more about that.
I usually think of the key light being harder than the fill, but I suppose key and fill are more about the ratios rather than the quality of the light.
Posted by Rob on 12/23 at 08:41 AM
The fill light article is coming, probably next month. 
I, personally, hate the terms “key” and “fill” because film schools have made them loaded terms. “Key” is supposed to be the light that shapes the set and gives it mood, but it’s not unusual to have multiple lights that have that feeling, or none. “Fill” makes a little more sense to me as it makes sense that you’d want to control the depth of your shadows, but fill can also have shape to it and can either cover the set or be localized to certain areas of the set.
If I taught a class in lighting I would eliminate the word “key” from the curriculum because I think it makes lighting too formulaic. The key doesn’t have to be harder, softer, more directional, less directional than the fill… all I can really say accurately is that it is traditionally brighter than the fill light. Other than that there are no rules.
In a set there are lights that are brighter than others that sculpt the space, and there’s usually some sort of light that makes the shadows as dark or as bright as you want them. That’s about it. The rest is up to your imagination. No light has to be harder or softer than another by definition, it simply has to look right to you and suit the director’s story.
I hope to write an article soon about a project I just shot for OnLive where I don’t think I can point to any setup and say “here’s the key light.” There’s “soft but directional back light from the window,” there’s “sunlight raking through the set,” but there’s not really a single light that I would define as a “key.” That’s not the way I think anymore, and I’m a better cinematographer for it.
And don’t get me started about lighting ratios.
I think those are some of the most useless things ever. For example, if I lit a set to a 4:1 ratio (which is pretty low contrast these days, although it used to be the “standard” taught in film schools), how have I exposed it? If the key is T4 and the fill is T2, that would be a 4:1 ratio but that says nothing about whether I exposed the shot at T4 or at T2, or anything in between. I almost never expose a scene based on the “key” level: I prefer making flesh tones a little hotter or a little darker depending on what’s happening in the story or where I want people to focus their attention.
I think I’ll write an article on how to practice lighting by eye, but I’m going to save that for next week or the week after.
Meanwhile, if you want to see two very different lighting approaches used on very similar material, watch the original Star Wars (I think that’s now considered Episode 4) and The Empire Strikes Back. Star Wars was shot in the 1970s by an old-school DP who used a lot of classical hard lighting and there’s are a lot of hard shadows and obvious key lights. The Empire Strikes Back was shot with very, very large sources and looks like it could have been shot yesterday: even though the lights are generally very large and soft they are no less powerful at creating mood and a sense of space. The two films were shot only a few years apart but the lighting in Empire is timeless, whereas the other feels very dated and is a great example of the older “key fill back light” style.
Here’s the trailer for the original Star Wars:
http://www.youtube.com/watch?v=1g3_CFmnU7k&feature=related
Here’s the trailer for The Empire Strikes Back:
http://www.youtube.com/watch?v=vxLR_27ASpc&feature=related
The original Star Wars looks “lit” to me. Very little of it feels real or compelling. It’s completely adequate, but it doesn’t excite me.
The Empire Strikes Back’s lighting looks right to my eye: it’s rich but never feels inappropriate to the setting. Each setup is gorgeous but there’s no formulaic lighting here, only making each set look dazzling while remaining true to the story and the setting. Quite often the light sources are in the shot and you can feel them shape the space as people move past them.
(Man, those trailers look cheesy now.
)
Posted by Art Adams on 12/23 at 11:36 AM
Thanks for the extensive answer. I watched the two trailers. The first seems like there are few deep blacks (except in space) while the second had more.
When you’re ready to teach that course, I’m ready to pay for it!
Posted by Rob on 12/23 at 02:07 PM
That’s part of it… I think the other part is to look at the quality of the shadows and the quality of the lights lighting the scene. The first has a lot of hard light from a distance, which tends to light things somewhat uniformly so that if you have a key side and fill side there’ll be two tones on the face, plus a scratch or backlight. In the second example the shadows are softer and there are a lot more tones in the image, not just a couple, and they change as people and things move through the environment. The light creates a sense of space or volume, whereas the first example the light does create some drama but doesn’t feel (to me, at least) like it’s part of the environment. The first feels lit, the second feels real—but still beautiful.
Posted by Art Adams on 12/23 at 02:12 PM
Great article, as always. Your articles are always eye openers of how to think when it comes to lighting.
There’s also a quote here:
“When I was a camera assistant I worked a lot with a DP who lit a lot of scenes by putting foam core beneath the lens and bouncing light off of it. The result felt very natural and real, as if sunlight were coming through a window and bouncing off the floor.”
That DP was Dean Cundey! I’m a huge fan of his and have heard you mention him doing it in a lot of your articles (actually how I found them). But this one really showed the nice thing about doing it very in-depth.
To me, that sort of lighting would work great anywhere, because as you say it’s very natural. Most light we see in our everyday lives comes from above, often from ceiling-lights or the sun. The first idea I had was an indoor scene at a table in a diner, with a top down light placed on the actors and then small fill placed on the table. Without the fill (and with a hard sourde) you’d get Gordon Willis style Godfather lighting, but with a softer key (probably a Kino or very diffused light) and fill from the table you’d get a lovely look that would feel very real.
This way of filling is also very effective for outdoor use. Most of the time your key outside is the sun, which comes from above. Placing fill underneath is simple, quick and gives again a great, natural look.
Last but not least, the part where I really realized how much of Cundey’s lighting came from below? It was when watching Seinfeld, in an episode where Newman, Kramer and Elaine go to kidnap a dog. They were sitting in a car at night, with a lot of darkness when Wayne Knight (who is Dennis Nedry in Jurassic Park) light up a map with a flashlight, with the map held just below him. The light looked just like he did many times in JP!
Posted by Gabriel de Bourg on 02/03 at 04:04 AM