Up to 200 times longer lifespan on LED than standard lighting filters

Colour Temperature (Mired Shift) Calculator

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Mired Shift -138
  • 200Double CTBConverts tungsten (3200K) to daylight (26000K) .
  • 201Full CTBConverts tungsten (3200K) to photographic daylight (5700K).
  • 202Half CTBConverts tungsten (3200K) to daylight (4300K).
  • 203Quarter CTBConverts tungsten (3200K) to daylight (3600K).
  • 204Full CTOConverts daylight (6500K) to tungsten light (3200K).
  • 205Half CTOConverts daylight (6500K) to tungsten light (3800K).
  • 206Quarter CTOConverts daylight (6500K) to tungsten light (4600K).
  • 207Full CTO + .3 NDConverts daylight (6500K) to tungsten (3200K) and reduces light 1 stop.
  • 208Full CTO + .6 NDConverts daylight (6500K) to tungsten (3200K) and reduces light 2 stops.
  • 212LCT Yellow (Y1)Reduces colour temperature of low carbon arcs to 3200K.
  • 218Eighth CTBConverts tungsten (3200K) to daylight (3400K).
  • 219LEE Fluorescent GreenGeneral tungsten to fluorescent correction for use when fluorescent colour temp is unknown, to provide medium correction.
  • 223Eighth CTOConverts daylight (6500K) to tungsten light (5550K).
  • 230Super Correction LCT YellowConverts yellow carbon arc (of low colour temperature) to tungsten.
  • 232Super Correction W.F. GreenConverts white flame arc to 3200K, for use with Tungsten film.
  • 236HMI (to Tungsten)Converts HMI to 3200K, for use with Tungsten film.
  • 237CID (to Tungsten)Converts CID to 3200K, for use with Tungsten film.
  • 238CSI (to Tungsten)Converts CSI to 3200K, for use with Tungsten film.
  • 241LEE Fluorescent 5700 KelvinConverts tungsten to fluorescent light of 5700K (cool white/daylight).
  • 242LEE Fluorescent 4300 KelvinConverts tungsten to fluorescent light of 4300K (white).
  • 243LEE Fluorescent 3600 KelvinConverts tungsten to fluorescent light of 3600K (warm white).
  • 281Three Quarter CTBConverts tungsten to daylight.
  • 283One and a Half CTBConverts tungsten (3200K) to daylight (8888K).
  • 285Three Quarter CTOConverts daylight (6500K) to tungsten light (3600K).
  • 286One and a Half CTOConverts daylight (6500K) to tungsten (2507K).
  • 287Double CTOConverts daylight (6500K) to tungsten (2147K).
  • 441Full CT StrawConverts 6500K to 3200K - daylight to tungsten light with a yellow bias.
  • 442Half CT StrawConverts 6500K to 4300K - daylight to tungsten light with a yellow bias.
  • 443Quarter CT StrawConverts 6500K to 5100K - daylight to tungsten light with a yellow bias.
  • 444Eighth CT StrawConverts 6500K to 5700K - daylight to tungsten light with a yellow bias.
  • 604Full CT Eight FiveConverts Daylight (6500K) to Tungsten light (3200K) with a red bias. Orange effect similar to sodium when used on Tungsten.
  • 806Zircon Warm Amber 2Longer life filter for major warm up correction of cool white LED to Tungsten.
  • 807Zircon Warm Amber 4Longer life filter for medium warm up correction of white LED to Tungsten.
  • 808Zircon Warm Amber 6Longer life filter for correction of warm white LED to Tungsten.
  • 809Zircon Warm Amber 8Longer life filter for fine correction of warm white LED to Tungsten.
  • LD204Glass Full CT OrangeCan be used to warm up the colour temperature of a cool white LED nominal 6500K to approximately 3000K.
  • LD205Glass Half CT OrangeCan be used to warm up the colour temperature of a cool white LED nominal 6500K to approximately 3460K.
  • LD206Glass Quarter CT OrangeCan be used to warm up the colour temperature of a cool white LED nominal 6500K to approximately 4740K.
  • O42Nectarine 2Medium amber, good for skin tones
  • O32Apricot 2Pale Amber, high transmission
  • R31Amber Blush 1Peach warming tone
  • O80Gold Amber 0Warming filter, good for converting Metal Halide to appear incandescent
  • LD203Glass Quarter CTBCan be used to cool down the colour temperature of a warm white LED nominal 3200K to approximately 3570K.
  • LD202Glass Half CTBCan be used to cool down the colour temperature of a warm white LED nominal 3200K to approximately 4260K.
  • LD201Glass Full CTBCan be used to cool down the colour temperature of a warm white LED nominal 3200K to approximately 6870K.
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