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Changing the art of Chroma Key by Rod Aaron Gammons C hromaKey technology has been used for decades in TV and film studios to composite images or footage into a shot using green and blue screen backdrops. Although used on multi-million dollar movies, such as AVATAR and used all around the world in News rooms, conventional ‘Fabric’ ChromaKey technology requires Kilowatts of lighting, hours of setup time and isn’t very portable. There is however, a solution - ‘ReflecMedia’ a revolutionary ChromaKey technology, (pioneered with the BBC); which provides a cost-effective, portable ChromaKey kit for broadcasters, videographers and photographers in the studio and on location. Philip Bloom (www.philipbloom. net), Director, DP and Cinematographer recently tested out the innovative Reflecmedia ChromaKey technology; “Reflecmedia Revolutionizes the way you can use Chroma key […] quick set up, minimum lighting and if your talent can’t get to the studio then you can bring the studio to them’. Conventional blue or green screen fabric requires large amounts of studio lighting carefully positioned to produce enough output to evenly light the background to enable it to ‘key’ whilst additional lighting is then required to remove shadows cast by your subject or presenter, which can be an extremely time consuming process to get right. Furthermore, bouncing so much studio light off your traditional green background often creates ‘spill’ as green light bounces back onto your subject, requiring hours of post production time to remove. Reflecmedia’s time saving solution uses a combination of a dual colour (green/blue) LED LiteRing mounted on your camera’s lens, and a unique grey Chromatte fabric which contains millions of microscopic glass beads that reflect the green or blue light directly back at the source, creating a perfect green or blue ‘Matte’ background for the camera, but without requiring any additional background lighting whatsoever, thereby eliminating hours of setup time, cost and the need to remove spill. “Because there is no light needed for the background, shadows aren’t a problem, you don’t have to have extra lights up in the studio, so your talent won’t get hot and make up doesn’t run” - Philip Bloom. Reflecmedia’s innovative range of flexible, portable, and easy to use products mean that with minimal lighting and technical expertise almost any location can be used as a virtual ChromaKey studio at a fraction of the usual costs – providing endless creative possibilities for digital content creation. ReflecMedia has been designed for quick and simple setup with the ability to transport the kit on location, event and studio shoots. Indeed their new dual colour (Blue/Green) LED LiteRing can be powered by mains or on location by a Sony camera battery for a fully portable ChromaKey solution. The intensity of the LiteRing can be controlled to ensure a perfect, evenly lit Chromakey background on any size of Chromatte drape, making sure there is no spill of light on the subject, and also ensuring the light shining from the LiteRing is at a comfortable intensity for the subject. 72 | TV-BAY MAGAZINE: ISSUE 77 MAY 2013 TV-BAY077MAY13.indd 72 02/05/2013 21:19