Multiple identical fixtures in precise configuration — produces uniform, scalable illumination of large areas. LEDs replaced classical grid setups.
Multiple identical fixtures in a precise geometric arrangement — the array system solves the fundamental problem of uniform large-area illumination. Instead of positioning a single strong source and struggling with reflectors or diffusers, you distribute the light output across a grid of smaller, identical units. The result: homogeneous, hard, or soft light depending on diffusion — without hot spots, without falloff drama over ten meters.
The classic execution for a long time was the 4- or 9-light grid of HMI or Tungsten fixtures — bulky, hot, with power connection logistics that would kill you. Today, LED arrays are rightly dominant: Kino K5600, Aputure MC4Pro, Nanlite systems — these things are modular, cool, energy-efficient, and allow you live control via DMX or app. A 3x3 matrix of small LED panels produces the same illumination quality as the old 9-light HMI grid, but weighs a third and draws less than two kilowatts.
On set, it works like this: You roughly calculate your area (greenscreen 10x6 meters, studio wall, parking lot scene), choose your number of fixtures and their spacing, hang them at an even height, and trigger them all simultaneously. Spacing is critical — too close together, and you'll see the grid pattern in soft focus; too far apart, and light channels will appear between them again. Rule of thumb: fixture spacing = approximately 1.2 to 1.5 times the fixture diagonal.
The array offers you control precision: dimming individual modules to compensate for motion blur? Achievable. Adjusting color mixing live during a take? Standard with LED arrays. For green or blue screens, arrays are indispensable — they provide the color purity and uniformity that keyers need. Keyword color separation — when working with RGB LEDs, the channels separate minimally because each pixel is fed by the same source.
The disadvantage: setup time. An array requires planning, a rigging crew, sometimes a cherry picker. For mobile, fast-paced shoots, a single strong source plus diffusion or a reflector is often more pragmatic. But whenever you need large, uniformly illuminated areas — cockpit scenes, indoor swimming pools, factory halls — the array system is the only clean solution.