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Below is my class doing a green screen exercise with our lecturer Jon Holmes. The completed video is supposed to go on the BMC colleges media website. It shows my fellow classmate Craig Ellis pretending to look out of a window which is actually a green screen which we add in video and chroma key later. For this task we used 5 point lighting to properly light our green screen and our subject. We used two flolights with the three point lighting kit ( two 300 watt lamps, and one 650 watt lamp) we diffused these and also put a blue gel on them to match our flolights so everything was consistent. The flolights light the green screen while the 3 point lighting kit light the subject from the side, behind, and the other side. We used the jib and attached it to our track so we can have a nice dolly motion. We put mic stands on the right side of the frame and 3 markers on the green screen to establish depth in the shot. We will get rid of this by creating a mask over them and then deleting them from view in Adobe After Effects. The video was all shot on Canon 7D and will be edited in Adobe Premier Pro.

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For this task Brad Raiser, Frankie Burrows, and myself had to install and light the green screen correctly. We came up with a lighting plan to successfully get a well-lit green screen. First we had to locate and set up the green screen, all while taking safety precautions. Once we had the green screen up we looked at our lighting plan and got to it. We decided on the portable lighting kit which comprised of two 300 watt lamps, and one 650 watt lamp. The two 300 watt lamps were positioned on either side of the subject (me) and their main purposes were to light the green screen. The 650 watt lamp was aimed to light the subject and ended up being exceedingly bright so we diffused this to soften it. We encountered a problem from the 650 watt lamp, it casted unwanted shadows on the subject. We corrected this by adding a 500 watt flood light on the lighting bar to counter the shadows. We then thought this lighting was sufficient to shoot and capture footage but we still had to check. We set up the JVC camera on the tripod to try and hook it up to my Macbook laptop. We wanted to use video scopes in Final Cut Pro to see if we had lit the green screen properly and had an accurate light reading. Since my Macbook is an older model from 2007 it takes a 6 pin firewire, so we ran into a problem to locate the 6 pin to 6 pin firewire. Since we couldn’t obtain this cable we had to make do, and find another way to measure this ambient light. We decided to use the light meter instead, and we had an average overall reading of 3.4, which we were happy with. We then filmed myself on the green screen not really doing anything in particular. I just moved a bit to show that the green screen had been properly keyed. I’ll admit that our lighting wasn’t perfect. If I could make one suggestion it would be to add a light (such as a parcan) behind the subject to light the back to make it so the light sources come from every angle. This all and all was a good learning experience for me and my group. Below is a picture of my instructor, Tony, and his lesson on ideal lighting plans for green screen, as well as our own groups lighting plan that we used.

IMG_0247lighting plan2

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