Last Updated 2 months ago
Definition
A honeycomb grid is a light modifier designed to narrow and control the beam spread of a softbox, reflector, or other broad light source. It consists of a grid of hexagonal or cellular channels that limit the angle at which light can exit, reducing spill and increasing directional control while maintaining the softness of the source.
Honeycomb grids are commonly attached to the front of softboxes or modifiers using Velcro or clips and are used to keep light from spreading where it is not wanted.
Role in Lighting Design
The role of a honeycomb grid is control. Soft sources naturally spill light in many directions, which can reduce contrast and contaminate backgrounds or adjacent areas. A grid allows a cinematographer or gaffer to keep the softness of the light while directing it more precisely.
Honeycomb grids are especially useful in controlled interiors, interviews, and narrative scenes where light must be isolated to a subject without affecting walls, ceilings, or other performers. They help maintain contrast and separation without resorting to harder sources.
Beam Control and Spread
A honeycomb grid works by restricting the exit angle of light. Only light traveling relatively straight forward passes through the grid cells, while light at wider angles is absorbed or blocked.
Grids are often rated by degree, such as 20°, 30°, or 40°. Tighter grids produce narrower beams and stronger falloff, while wider grids offer moderate control with less light loss. Choosing the grid strength is a balance between control and output.
While grids increase directionality, they do not harden the light in the same way a small source would.
Interaction With Soft Light
Unlike flags or cutters, honeycomb grids shape light at the source rather than blocking it after the fact. This makes them efficient in tight spaces where additional hardware would be impractical.
A grid preserves the character of soft light while limiting its reach. Shadow edges remain soft, but illumination becomes more selective. This makes grids particularly useful for faces, where softness is desired but background spill is not.
Because grids reduce output, exposure adjustments are often required.
Practical Use on Set
Honeycomb grids are commonly used on key lights, edge lights, and fill sources when precision is required. They are popular in interview setups to keep light off the background while maintaining a clean, flattering key.
They are also used to prevent lens flare or unwanted highlights by controlling stray light paths before they leave the source. In multi-light setups, grids help prevent sources from interfering with one another.
Installation is usually quick, making grids a preferred solution when time is limited.
Honeycomb Grid vs Barndoors
Honeycomb grids and barndoors both control spill, but they function differently. Barndoors cut light mechanically and create hard edges. Honeycomb grids shape light directionally and create natural falloff.
Grids are better suited to soft sources and subtle control. Barndoors are better for hard sources and sharp cuts. In many setups, both may be used together for layered control.
The choice depends on the source type and the desired look.
Common Misconceptions
A common misconception is that honeycomb grids make light hard. In reality, they only control spread, not source size.
Another misconception is that grids eliminate all spill. While they significantly reduce it, some spill and bounce are inevitable, especially in reflective environments.
It is also incorrect to assume grids are interchangeable across modifiers. Grids are typically size- and shape-specific.
Why Honeycomb Grids Matter
Honeycomb grids give filmmakers precision without sacrificing softness. They allow light to be placed exactly where it is needed and nowhere else.
Understanding how and when to use grids improves lighting efficiency, contrast control, and image cleanliness. They are a simple tool with a disproportionate impact on professionalism.
When used well, a honeycomb grid is invisible. Its success is measured by what the audience never sees.
Related Terms
[Soft Light] Light characterized by gradual shadow transitions and low contrast.
[Softbox] A light modifier that creates a broad, diffused source.
[Flag] A tool used to block or cut light after it leaves the source.
[Barn doors] Adjustable metal flaps used to shape and cut hard light.
[Light Spill] Uncontrolled light reaching areas outside the intended target.