Updated October 13, 2018 by Melissa Harr

The 10 Best Green Screens

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We spent 41 hours on research, videography, and editing, to review the top selections for this wiki. Now you don't need a massive travel budget to produce photographs and videos with backgrounds from anywhere in the world. These green screens allow you to digitally insert anyone or anything in front of whatever scenery, color, or image you like. We’ve also added models that work well for streaming gamers who want to go to the next level. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best green screen on Amazon.

10. Andoer Backdrop

9. CowboyStudio Reversible Background Panel

8. Square Perfect 4037 Professional

7. LimoStudio Body Suit

6. AW Cotton Muslin

5. Fancierstudio Chromakey Kit

4. Acro Products Portable

3. ePhoto Lighting Kit

2. LimoStudio 9 x 13 Foot

1. Elgato Collapsible

How Does A Green Screen Work?

It can easily get a lot more complicated than the process as I just described it, but that’s the gist of it.

If you’ve never used a green screen, you’d be forgiven for finding them a little mysterious. Actors stand in front of a giant piece of bright green fabric, a team of computer wizards hits a few buttons, and the next thing you know those actors are in space, or underwater, or in some fantasy realm that doesn’t exist on our earthly plane.

It’d be easy to imagine that the strange, otherworldly images that end up in movies and TV shows are somehow projected onto the green screen in post, but this doesn’t quite hit the mark. The reality is that green screen is all about subtraction before it can be about addition. When an editor gets footage of an actor in front of a green screen, he or she uses the technology at their fingertips to subtract all the elements of the frame that contain that specific shade of green.

Only after this subtraction takes place can the other backgrounds, characters, and effects be placed in the frame with the actor. It can easily get a lot more complicated than the process as I just described it, but that’s the gist of it. Fortunately for editors, compositors, and other digital post-production professionals, the software used to substitute computer generated backgrounds for the green screen has become more and more advanced as the use of the technology has become more ubiquitous. It takes little more than a few keystrokes and mouse swipes to separate an actor from the background and put whatever you want in its place.

If you want to find out just how easy it is for anybody to swap out that green background for just about anything, take whatever green screen you purchase and tape yourself doing silly things in front of it, post it online, and ask your community to add a background. You’ll be tickled, and a little horrified, at the results. Who knows? You might even go viral.

How To Make A Green Screen Look Good

Just because it’s easier than ever to tape footage in front of a green screen, dump it into editing software, and swap out that background, that doesn’t stop users from finding infinite ways to make that new background look horrible. Fortunately, a few smart techniques and investments can take your green screen work from amateurish to professional in no time.

If you have too many color values, or too drastic a color shift from a poorly or unevenly lit green screen, however, your editing software might not recognize all of it.

The first thing you need to do is light your green screen evenly. Changes in light intensity result in changes of perceived color value both to the human eye and to editing software. Most editing suites have the ability to recognize the industry standard chroma green, as well as shades created in either direction by under and overexposure. If you have too many color values, or too drastic a color shift from a poorly or unevenly lit green screen, however, your editing software might not recognize all of it. That means you’re going to have to go in and splice your actors away from the background through keyframes, which will require an immense amount of time and effort.

This problem has become so universal that there are some apps you can download on smart devices that will use their cameras to measure the light reflecting off your green screen, and these can tell you what adjustments you need to make to maximize its effect. At the end of this process, you might realize that you need a better set of studio lights, ideally something in the daylight spectrum that has a high CRI value, which helps ensure accurate color reproduction in-camera.

Once your green screen is well lit, you might run into another issue: green reflections on your actors. Light is inevitably going to bounce off your green screen, and if it splashes on your actors, it can cause the background replacement to creep into their clothes or their skin. Even if it doesn’t effect the background replacement, it can throw off your color grading or at least cause the audience to wonder why there’s a strange green reflection in your actors’ eyes.

Once you’re in post with a well-shot bit of green screen, make sure you know what lenses each setup used, as well as what T-stop the lens was set to. If you were using a shallow depth of field on set, and your actors’ faces are sharp, then the background has to be appropriately out of focus. If the background file you’re using is too sharp, there are defocusing effects you can apply to it to make it seem more realistic.

A Brief History Of Green Screen

Before the advent of green screen and blue screen, the most common technique used to replace the background behind actors was called rear projection. Essentially, you could set up a projector behind a white screen hung behind your actors, and whatever you projected onto the screen would appear behind your actors. This was most often used for driving scenes to make it seem like the car and its passengers were traveling from one place to the next, when in fact they were sitting stationary in a studio with a production assistant bouncing gently on the bumper to simulate movement.

Blue screen came next, and is actually older than you might think, getting its start in the 1930s. It’s important to remember that most films produced in the first 20 years of blue screen were black and white, and that this particular bold shade of blue didn’t occur in much clothing. Years later, as similar blue colors crept into our daily fashions, actors and wardrobe designers had to avoid them, lest their tie suddenly match the background of the shot.

The answer to this problem was green screen, an industry standard called chroma key or chroma green that came into being as digital cinematography supplanted celluloid film in both film and television. Blue screen is still occasionally used, but thanks to its universality and its rarity among wardrobe items, it seems that chroma green is here to stay.

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Melissa Harr
Last updated on October 13, 2018 by Melissa Harr

Melissa Harr is a language-obsessed writer from Chicagoland who holds both a bachelor of arts and master of arts in English. Although she began as a TEFL teacher, earning several teaching certificates and working in both Russia and Vietnam, she moved into freelance writing to satisfy her passion for the written word. She has published full-length courses and books in the realm of arts & crafts and DIY; in fact, most of her non-working time is spent knitting, cleaning, or committing acts of home improvement. Along with an extensive knowledge of tools, home goods, and crafts and organizational supplies, she has ample experience (okay, an obsession) with travel gear, luggage, and the electronics that make modern life more convenient.

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