Adding a straw or ½ CTO gel to the backlight can help separation, too. A backlight can definitely help separate the foreground and reduce green contamination.
Of course avoid the background color in the foreground. A foreground subject (especially a high-contrast one) needs at least some light on the sides to minimize a dark outline in the final key. Also, be sure your foreground light "wraps around the subject. Shadows can make it much harder to get a clean key.
Light the foreground so that it casts no shadows on the screen unless they are part of the effect. Flag them so they don't get on the foreground subject. You may want to light the background from the same part of the room as your foreground lights instead of getting closer. This means that the subject should be at least as far away from the screen as its width or height. If the lights can be at about a 45º angle (above, below, or to the left and right) and have fairly wide dispersion (such as medium-size LED panels) you can get the evenness. Getting the background lighting even is much easier if you have distance between the lights and the screen. Softer light sources can make imperfections less visible. If you have a waveform monitor, get the screen at 40-60 IRE. It's probably best to work at or near the camera's native ISO. No specific intensity is necessary as long as it is not so dark that you get noise. It should be overall even within about the same range. Ideally you want about the same light level on the green or blue-screen background as the key light on your foreground subject ± about 1 or 1½ f/stop. In general, do you have any specific lights, sites or sets to recommend? I'm really thankful for any help in regards to this. Where can I get good lights? On amazon, the only good lights were in softboxes sets, but I haven't really been able to find good lights (means: bright dimmable lights with a high CRI value) on their own, and there aren't many good softboxes sets I've found. What lighting type would you recommend for these lights? From what I've heard, softboxes may be better than LED panels as they diffuse light better and having it evenly is really important, is that correct? Also, is it better to use softboxes with LED lights or with CFL lights? But for the backlight, I'm unsure if it's easy or practical to get a softbox that high, so does it make more sense to use a panel for that? If so, is it okay to mix different kinds of light like that?. I just use a small 1.7 to 2 meters screen. How many lumens / lux do you recommend for each of those lights? I really have no idea of the magnitude of this (Watts for a specific lighting technique are okay as well). Also, I'm doing this as a hobby so I have a rather limited budget of a few hundred euros. I'm probably going for a five point setup 2 lights for the green screen, two lights for the subject (aka me) and one light for the subject from behind to counterweight possible green light from the screen. Although I've seen many many videos and articles about it, I still have some questions: Hey, I've spent the last few weeks researching a lot about green screen lighting as I want to get a better lighting set. u/shickey maintains a videography-themed weekly challenge subreddit, so if you're looking for something to shoot head on over to /r/DoCreativeĬamera, NLE, year started, general location #Ceiling green screen lights full
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