A strong diffuser that creates a wide field of soft illumination but is thicker than the 402 Soft Frost. Diffusion characteristics similar to 416.

A strong to medium diffusion used for soft light effects. Manufactured on a tough Polyester base in a range of seven strengths.

Used on lighting to eliminate unwanted green cast created by discharge light sources on film. Approximately equivalent to CC30 magenta camera filter.

Used on daylight and tungsten light sources to provide green cast when used in conjunction with discharge lighting. Approximately equivalent to CC30 green camera filter.

A proper gold to celebrate the 50th Anniversary of the ALD. It maintains its richness as it dims, becoming more molten as the percentage is reduced.

Provides very slight correction. Used on lighting to eliminate unwanted green cast created by discharge light sources on film.

LED LightforPC

Our diffusion filters are perfect for softening or spreading a light beam and reducing the contrast ratio between highlight areas. The range includes polyester diffusion filters, frosts and flexi-frosts, perforated diffusion, grid cloths, and spun materials to deliver a variety of lighting effects. Whether you’re a professional photographer or a beginner, our diffusion filters can help you elevate your photography & videography output to the next level.

A cool highlight leaning towards yellow-green; good for use on mid range skin tones, avoid use on very dark and very pale skin tones.

ComputerVideo Light

A flexible perforated material that is black on both sides. Can be used on windows to reduce light intensity, without causing any unwanted reflections.

Provides very slight correction. Used on lighting to eliminate unwanted green cast created by discharge light sources on film.

ComputerLight Bar

A combination of both direct and strongly diffused light. Designed for use on Kino Flo and similar soft light fixtures. Flame Retardant.

A very dark blue with a high UV content. Good when used in high concentrations for a moody and powerful stage colour wash.

Special Cyan 15 reduces the red component (600nm-700nm) of light sources by approx. 25% compared to the blue and green wavelengths (400nm-600nm).

Used on lighting to eliminate unwanted green cast created by discharge light sources on film. Approximately equivalent to CC15 magenta camera filter.

Used on daylight and tungsten light sources to provide green cast when used in conjunction with discharge lighting. Approximately equivalent to CC15 green camera filter.

Used on daylight and tungsten light sources to provide green cast when used in conjunction with discharge lighting. Approximately equivalent to CC075 green camera filter.

Flattering skin tone filter without the comedy pink. Named for Marlene Dietrich who understood the importance of beautiful lighting, especially at a certain age!

Strongest diffusion on thick polyester for easy use on panels and in channels. Can be used close to LED chip to blur the pixels.

A weak diffusion used for softening spotlight beam edges without altering shape. Manufactured on a 23 micron polyester base.

A medium/weak diffusion used for soft light effects. Manufactured on a tough Polyester base in a range of seven strengths.

Correct a daylight source to an off white tungsten source. Used with a tungsten source provides a “dingy” effect like a smoky bar.

Browse our range of diffusion gels in numeric or chroma order or search via keyword. Hover over a swatch to read its name and description, click through to explore the complete specs, or select multiple filters by clicking their + buttons to build your own collection. You can also download a PDF to take your selected filters — and their key specs — with you on the go.

Used on lighting to eliminate unwanted green cast created by discharge light sources on film. Approximately equivalent to CC075 magenta camera filter.

Used on daylight and tungsten light sources to provide green cast when used in conjunction with discharge lighting. Approximately equivalent to CC30 green camera filter.

Computer lightingSetup

A transparent flexible film used to extend the life of filter. The shield should be placed between the light source and the filter, allowing distance between the shield and the filter.

A warm highlight leaning toward amber, good for warm front light, complimentary to most skin tones. Barbara Walters favourite colour!

Special Cyan 30 reduces the red component (600nm-700nm) of light sources by approx. 50% compared to the blue and green wavelengths (400nm-600nm).

Used on lighting to eliminate unwanted green cast created by discharge light sources on film. Approximately equivalent to CC075 magenta camera filter.

Diffusion Comparator – compare diffusion filters side-by-side or click on an image to enlarge. Watch the videos to see these tests in motion.

A useful diffuser without too much light loss but very pliable to handle. Diffusion characteristics fall between 251 and 252.

A warm highlight leaning toward apricot, good for warm front light, complimentary to most skin tones, beware of use on pale skin: tends to look pink.

Used on lighting to eliminate unwanted green cast created by discharge light sources on film. Approximately equivalent to CC15 magenta camera filter.

LSIs Silver Anniversary colour. Great for a foreboding cold winters night, but allows enough light transmission to be useful for general illuminance too.

Provides very slight green cast. Used on daylight and tungsten light sources to provide green cast when used in conjunction with discharge lighting.

A fresh, light and airy summer green. Under tree canopy light quality without pantomime countryside. Subtle enough to light faces without having to add too much general cover on top.

A strong diffuser that creates a wide field of soft illumination. Diffusion characteristics similar to 216, falls between 216 and 129.

Useful for lighting architecture: it produces a rich amber when used on a tungsten source, or a much cooler effect when used on a HMI lamp.

Used on daylight and tungsten light sources to provide green cast when used in conjunction with discharge lighting. Approximately equivalent to CC15 green camera filter.

Provides very slight green cast. Used on daylight and tungsten light sources to provide green cast when used in conjunction with discharge lighting.

Ring lightfor computer

A cold lavender when used with a full tungsten source, but warms as the source is dimmed. Good as a fill for slow sunset fades.

General tungsten to fluorescent correction for use when fluorescent colour temp is unknown, to provide medium correction.

Made from 0.006 (150 micron) Triacetate. Reduces glare and reflection when used in conjunction with LEE Polarising Camera Filter.

A dense white diffuser used for wide beam spreads; creates an even, soft, field of light without shadows. Manufactured on a 125 micron polyester base.

Best home officelighting for computerwork

A combination of both direct and soft diffused light. Designed for use on Kino Flo and similar soft light fixtures. Flame Retardant.

Medium diffusion on thick polyester for easy use on panels and in channels. Provides reasonable diffusion properties without too much loss of light.

Desktop Lightforvideo calls

Used on daylight and tungsten light sources to provide green cast when used in conjunction with discharge lighting. Approximately equivalent to CC075 green camera filter.

To give a cold/grey HMI effect from a tungsten source. Will also help blend the light when using both tungsten and HMI sources.

Used on lighting to eliminate unwanted green cast created by discharge light sources on film. Approximately equivalent to CC30 magenta camera filter.

Strong diffusion on thick polyester for easy use on panels and in channels. Can be used close to LED chip to provide some blurring of the pixels.

Denser, saturated orange version of 135 avoiding pinky red. Good for backlight, instruments, part of a sunset palette, and getting a party atmosphere. Madge is short for Imagination.

ComputerLight Screen

A rich, sultry blue. Like Congo Blue, but allowing greater light transmission so more maintenance friendly – fewer gel changes.

Special Cyan 60 reduces the red component (600nm-700nm) of light sources by approx. 75% compared to the blue and green wavelengths (400nm-600nm).

General tungsten to fluorescent correction for use when fluorescent colour temp is unknown, to provide medium correction.

Longer life filter used to very slightly cool down the colour of warm white LEDs, allowing different batches of LEDs to be used together.