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Technical Filters

The LEE range of technical filters has been developed to convert and manipulate light sources with a high degree of accuracy. A full range of daylight, tungsten and fluorescent conversions, neutral densities, reflectors and scrims are available.

Convert daylight, tungsten,
led and fluorescent lights

Urban effect, arc correction
& ultra violet absorption filters

Neutral density
and polariser

Soft or hard reflectors,
scrims & protection media

Used over windows
to correct daylight

  • Daylight Conversion

    Converts daylight to a tungsten light.

  • 444Eighth C.T. StrawConverts 6500K to 5700K - daylight to tungsten light with a yellow bias.
  • 223Eighth C.T. orangeConverts daylight (6500K) to tungsten light (5550K).
  • 443Quarter C.T. StrawConverts 6500K to 5100K - daylight to tungsten light with a yellow bias.
  • 206Quarter C.T. orangeConverts daylight (6500K) to tungsten light (4600K).
  • 442Half C.T. StrawConverts 6500K to 4300K - daylight to tungsten light with a yellow bias.
  • 205Half C.T. orangeConverts daylight (6500K) to tungsten light (3800K)
  • 285Three Quarter C.T. orangeConverts daylight (6500K) to tungsten light (3600K).
  • 204Full C.T. orangeConverts daylight (6500K) to tungsten light (3200K).
  • 604Full C.T. Eight FiveConverts Daylight (6500K) to Tungsten light (3200K) with a red bias. Creates an orange effect similar to sodium when used on Tungsten.
  • 441Full C.T. StrawConverts 6500K to 3200K - daylight to tungsten light with a yellow bias.
  • 286One and a Half C.T. orangeConverts daylight (6500K) to tungsten (2507K)
  • 208Full C.T. orange + .6NDConverts daylight (6500K) to tungsten (3200K) and reduces light 2 stops.
  • 207Full C.T. orange + .3NDConverts daylight (6500K) to tungsten (3200K) and reduces light 1 stop.
  • 287Double C.T. orangeConverts daylight (6500K) to tungsten (2147K)
  • Tungsten Light Conversion

    Converts a tungsten light source to daylight.

  • 200Double C.T. BlueConverts tungsten (3200K) to daylight (26000K)
  • 283One and a Half C.T. BlueConverts tungsten (3200K) to daylight (8888K)
  • 201Full C.T. BlueConverts tungsten (3200K) to photographic daylight (5700K).
  • 281Three Quarter C.T. BlueConverts tungsten to daylight.
  • 202Half C.T. BlueConverts tungsten (3200K) to daylight (4300K).
  • 203Quarter C.T. BlueConverts tungsten (3200K) to daylight (3600K).
  • 218Eighth C.T. BlueConverts tungsten (3200K) to daylight (3400K).
  • LED Conversion Filters

    A common complaint from people using LED lighting is that the white light is very blue, making it look cold in comparison to a Tungsten white light. LEE Filters have solved this problem with the introduction of a new range of especially designed LED CTO Filters. These filters will convert from white LED sources (colour temperatures ranging from 5000-7000K) to the equivalent of a 3200K Tungsten source. This means that different types of luminaires can now be blended together without the viewer or digital camera seeing a difference.

  • 622One and One Eighth Digital LED C.T.O.Converts white LED of 7000K to Tungsten of 3200K.
  • 624Full Digital LED C.T.O.Converts white LED of 6200K to Tungsten of 3200K.
  • 626Seven Eighths Digital LED C.T.O.Converts white LED of 5550K to Tungsten of 3200K.
  • 628Three Quarter Digital LED C.T.O.Converts white LED of 5000K to Tungsten of 3200K.
  • Fluorescent Correction

    A range of filters for correcting fluorescent light for both lighting and photography.

  • 241LEE Fluorescent 5700 KelvinConverts tungsten to fluorescent light of 5700K (cool white/daylight).
  • 243LEE Fluorescent 3600 KelvinConverts tungsten to fluorescent light of 3600K (warm white).
  • 242LEE Fluorescent 4300 KelvinConverts tungsten to fluorescent light of 4300K (white).
  • 219LEE Fluorescent greenGeneral tungsten to fluorescent correction for use when fluorescent colour temp is unknown, to provide medium correction.
  • 244LEE Plus greenUsed on daylight and tungsten light sources to provide green cast when used in conjunction with discharge lighting. Approximately equivalent to CC30 green camera filter.
  • 245Half Plus greenUsed on daylight and tungsten light sources to provide green cast when used in conjunction with discharge lighting. Approximately equivalent to CC15 green camera filter.
  • 246Quarter Plus greenUsed on daylight and tungsten light sources to provide green cast when used in conjunction with discharge lighting. Approximately equivalent to CC075 green camera filter.
  • 278Eighth Plus greenProvides very slight green cast. Used on daylight and tungsten light sources to provide green cast when used in conjunction with discharge lighting.
  • 279Eighth Minus greenProvides very slight correction. Used on lighting to eliminate unwanted green cast created by discharge light sources on film.
  • 249Quarter Minus greenUsed on lighting to eliminate unwanted green cast created by discharge light sources on film. Approximately equivalent to CC075 magenta camera filter.
  • 248Half Minus greenUsed on lighting to eliminate unwanted green cast created by discharge light sources on film. Approximately equivalent to CC15 magenta camera filter.
  • 247LEE Minus greenUsed on lighting to eliminate unwanted green cast created by discharge light sources on film. Approximately equivalent to CC30 magenta camera filter.
  • Urban Effects Filters

    Create the look of Sodium street lighting with either a tungsten or daylight source. These colours have been specifically designed to recreate different types of urban lighting effects ranging from High and Low Pressure Sodium to the general orange and mustard look associated with street lighting. They give a dirty, gritty urban feel to existing light sources that was previously difficult to achieve.

  • 651HI SodiumUsed on tungsten to create a High Pressure Sodium look.
  • 653LO SodiumUsed on tungsten to create a Low Pressure Sodium look.
  • 650Industry SodiumUsed on tungsten to blend with sodium light.
  • 741Mustard yellowSpooky when used in haze. Removes some red and blue. Works best with daylight bulbs. Sodium lamp effect.
  • 740Aurora Borealis greenPrimary jungle colour. Removes some red and blue. Works best with daylight bulbs. Sodium lamp effect.
  • 642Half Mustard yellowHalf strength Sodium light effect, designed for use with daylight sources.
  • 643Quarter Mustard yellowQuarter strength Sodium light effect, designed for use with daylight sources.
  • 652Urban SodiumUsed on tungsten to create the orange glow associated with Sodium light.
  • Arc Correction

    A range of filters for arc correction.

  • 213White Flame greenCorrects white flame carbon arcs by absorbing ultra violet.
  • 212L.C.T.yellow (Y1)reduces colour temperature of low carbon arcs to 3200K.
  • 236H.M.I. (to Tungsten)Converts HMI to 3200K, for use with Tungsten film.
  • 237C.I.D. (to Tungsten)Converts CID to 3200K, for use with Tungsten film.
  • 238C.S.I. (to Tungsten)Converts CSI to 3200K, for use with Tungsten film.
  • 232Super Correction W.F. greenConverts white flame arc to 3200K, for use with Tungsten film.
  • 230Super Correction L.C.T. yellowConverts yellow carbon arc (of low colour temperature) to tungsten.
  • Ultra-Violet Absorption

    Low transmission of ultra-violet light.

  • 226LEE U.V.Transmission of less than 50% at 410nms.
  • Neutral Density

    Reduces light intensity without changing colour.

  • 2991.2NDReduces light 4 stops, without changing colour.
  • 2110.9NDReduces light 3 stops, without changing colour.
  • 2100.6NDReduces light 2 stops, without changing colour.
  • 2090.3NDReduces light 1 stop, without changing colour.
  • 2980.15NDReduces light 1/2 stop, without changing colour.
  • Polariser

    Reduces glare and reflection.

  • 239PolariserMade from 0.006" (150 micron) Triacetate. reduces glare and reflection when used in conjunction with LEE Polarising Camera Filter.
  • Protection Media

    The LEE Heat Shield is a transparent flexible film placed between the light source and the filter, which extends the life of a filter. LEE also offers a black aluminium foil to reduce light spill and reduce unwanted reflections.

  • 280Black FoilUsed to reduce unwanted light spill or to control unwanted light reflection.
  • 269LEE Heat ShieldA 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.
  • Reflectors

    These silver and gold metallic surfaces, allow reflected light to be bounced to simply fill in shadow areas requiring a little more illumination. Alternative surface treatments allow for soft or hard reflections, and the white backing can also be used as a soft reflector.

  • 274Mirror GoldProduces hard reflection. White backed.
  • 272Soft Gold ReflectorProduces soft reflection. White backed.
  • 271Mirror SilverProduces hard reflection. White Backed
  • 273Soft Silver ReflectorProduces soft reflection. White backed.
  • Scrims

    Perforated 'scrim' reflectors can produce very soft reflections and eliminate unwanted reflections from windows.

  • 270LEE ScrimA perforated reflector producing a very soft reflection. Silver on one side and black on reverse.
  • 275Black ScrimA flexible perforated material that is black on both sides. Can be used on windows to reduce light intensity, without causing any unwanted reflections.
  • Acrylic Panels

    These panels are unique to LEE and exhibit the same degree of colour accuracy and consistency as our range of lighting filters.

    Specifically for use over windows for correcting daylight, these hardwearing panels can be cut to size and installed permanently, or used on location again and again.

  • A208Full C.T.O. + 0.6ND Acrylic PanelConverts Daylight to Tungsten and reduces light 2 stops.
  • A207Full C.T.O. + 0.3ND Acrylic PanelConverts Daylight to Tungsten and reduces light 1 stop.
  • A205Half C.T.O. Acrylic PanelConverts Daylight to Tungsten
  • A2110.9ND Acrylic Panelreduces light 3 stops without altering the colour
  • A2100.6ND Acrylic Panelreduces light 2 stops without altering the colour
  • A2090.3ND Acrylic Panelreduces light 1 stop without altering the colour

Mired Shift Calculator

Find the right technical filter quickly with our Mired Shift Calculator. Find out what filter you need to correct your source.

Framed Glass Filters

LEE dichroic glass filters offer unmatched colour purity and stability. Popular with both the architectural and theatrical industries.

LEE Swatch for iPhone

Our complete range on one screen, with an innovative colour picker so you can easily build palettes anytime inspiration strikes.

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