Technical Filters

Precision light control is the backbone of visual storytelling. Our technical filters solve common lighting problems—correcting colour temperature, shaping intensity—for professional, consistent results. Used by cinematographers, gaffers, lighting designers, and popular in architectural lighting, research and conservation.

Colour Correction: Tungsten to Daylight, Daylight to Tungsten, Tungsten to Fluorescent, plus Plus Green/Minus Green fine-tuning.

Light Shaping: Soften shadows with Diffusion; cut intensity with Neutral Density.

Studio Essentials: Replicate cityscapes with Urban Effects; manage spill using Reflectors and Scrims.

Light Protection: UV Gels block ultra-violet light to prevent fading in galleries and museums.

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  • LEE 220 White Frost Lighting Gel

    Use LEE Filters 220 White Frost Lighting Gel to enhance your lighting. This will give a soft, diffused glow that reduces harsh shadows and adds a smooth, balanced effect to...
    £5.25
  • LEE 221 Blue Frost Lighting Gel

    LEE 221 Blue Frost Lighting Gel. Used for soft light effects with the addition of 218. Flame retardant. Full technical specifications for 221 Blue Frost can be found here. Manufactured in the following sizes;...
    £2.10
  • LEE 224 Daylight Blue Frost Lighting Gel

    LEE 224 Daylight Blue Frost Lighting Gel.  Used for soft light effects with the addition of 201 Full CTB.  Full technical specifications for 224 Daylight Blue Frost can be found here ...
    £5.25
  • LEE 225 LEE ND Neutral Density Frost Lighting Gel

    LEE 225 LEE Neutral Density Frost Lighting Gel.  Used for soft light effects with the addition of 0.6 Neutral Density. Full technical specifications for 225 LEE Neutral Density ND Frost can...
    £5.25
  • LEE 228 Brushed Silk Lighting Gel

    Take your shots in a new direction with the LEE228 Brushed Silk Lighting Gel, providing a soft lighting effect used for scattering light in one direction. Specifications Transmission Y (%)...
    £8.50
  • LEE 229 Quarter Tough Spun Diffusion Filter

    LEE 229 Quarter Tough Spun Diffusion Filter.  Softens light, reduces intensity. Manufactured from non-woven Polyester. Full technical specifications for 229 Quarter Tough Spun can be found here The LEE Filters Diffusion Index...
    £4.25
  • LEE 250 Half White Diffusion Lighting Gel

    LEE 250 Half White Diffusion Lighting Gel. A medium diffusion used for soft light effects. Manufactured on a tough Polyester base in a range of seven strengths. Full technical specifications...
    £4.75
  • LEE 252 Eighth White Diffusion Lighting Gel

    LEE 252 Eighth White Diffusion Lighting Gel. A weak diffusion used for soft light effects. Manufactured on a tough Polyester base in a range of seven strengths. Full technical specifications...
    £4.75
  • LEE 255 Hollywood Frost Lighting Gel

    LEE 255 Hollywood Frost Lighting Gel.  A light frost effect that softens edges. Full technical specifications for 255 Hollywood Frost can be found here The LEE Filters Diffusion Index (LDI) can be found...
    £5.25
  • LEE 256 Half Hampshire Frost Lighting Gel

    LEE 256 Half Hampshire Frost Lighting Gel. Extra light frost effect. Diffuses light reducing contrast between highlight areas. Full technical specifications for 256 Half Hampshire Frost can be found here...
    £5.25
  • LEE 257 Quarter Hampshire Frost Lighting Gel

    LEE 257 Quarter Hampshire Frost Lighting Gel. Extra light frost effect. Diffuses light reducing contrast between highlight areas. Full technical specifications for 257 Quarter Hampshire Frost can be found here...
    £5.25
  • LEE 258 Eighth Hampshire Frost Lighting Gel

    LEE 258 Eighth Hampshire Frost Lighting Gel. Extra light frost effect. Diffuses light reducing contrast between highlight areas. Full technical specifications for 258 Eighth Hampshire Frost can be found here...
    £5.25
  • LEE 400 LEELux Diffusion Lighting Gel

    Built on a 125 micron polyester base, the LEE 400 LEELux Diffusion Lighting Gel is a white diffuser that is ideal to create fields of light with virtually no shadows....
    £5.25
  • LEE 402 Soft Frost Lighting Gel

    LEE 402 Soft Frost Roll Lighting Gel. A strong diffuser that creates a wide field of soft illumination. Diffusion characteristics similar to 216, falls between 216 and 129. Full technical...
    £8.00
  • LEE 404 Half Soft Frost Lighting Gel

    LEE 404 Half Soft Frost Roll Lighting Gel. A useful diffuser without too much light loss but very pliable to handle. Diffusion characteristics fall between 251 and 252. Full technical details...
    £8.00
  • LEE 410 Opal Frost Lighting Gel

    LEE 410 Opal Frost Lighting Gel, a weak diffusion used for softening spotlight beam edges without altering shape. Manufactured on a 23 micron polyester base. Specifications Transmission Y (%) -...
    £5.25
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Creative Uses

Primarily used by cinematographers, gaffers, and lighting designers to achieve precise control over light sources. They are essential for anyone needing to balance colour temperatures, reduce intensity without changing colour (ND), or block specific wavelengths like UV in architectural and scientific settings.  

  • Colour Temperature Blue (CTB) Converts Tungsten to Daylight. Used to "cool down" warm sources to match natural light. Available in 7 strengths: 200 (Double) through to 218 (Eighth). 

  • Colour Temperature Orange (CTO) Converts Daylight to Tungsten. Used to warm up cool sources or flatter skin tones. Includes 207 and 208 (CTO combined with ND) to save time and reduce waste. Available in 8 varieties: 287 (Double) through to 223 (Eighth). 

  • Colour Temperature Straw (CTS) A yellower, more natural alternative to CTO for a "sunny" daylight feel. Available in 4 strengths: 441 (Full) through to 444 (Eighth). 

  • Neutral Density (ND) Essential for controlling exposure and depth of field without changing colour. Range: 298 (0.5 stop) up to 299 (4 stops). Every 1 stop reduces light by 50%. 

  • Fluorescent & Discharge Correction Precision tools to match or correct industrial lighting (HMI, Metal Halide, Sodium). Includes: 241-243 (Fluorescent range) and 236 (HMI to Tungsten).

  • Minus Green (Magenta) Eliminates the unwanted green cast created by discharge sources and LEDs to create healthier skin tones. Available in 4 strengths: 247 (Full) through to 279 (Eighth).

  • Plus Green The opposite of Minus Green; adds a controlled green tint to match lighting to existing fluorescent or architectural fixtures. Available in 4 strengths: 244 (Full) through to 278 (Eighth).

  • UV Absorption & Polarisation LEE UV (226 & 213) removes invisible UV energy to clean up whites, while the Polariser gel controls surface glare and reflections at the source. 

 

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