- The Tiffen 81EF Warming filter has about a one stop loss and is used to warm scenes, or for partial color correction when using tungsten based film outdoors and the desired look is to still have a slight blue cast.
- The 81EF N3 filter: 81EF converts tungsten 4140 K film to 3850 K lighting with ND3
- The 81EF N6 filter: 81EF converts tungsten 4140 K film to 3850 K lighting with ND6
- The 81EF N9 filter: 81EF converts tungsten 4140 K film to 3850 K lighting with ND9
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Camera •   Filters & Diopters •   4x4 81EFN3, 81EFN6, 81EFN9 filter



Description:
- The Tiffen 81EF Warming filter has about a one stop loss and is used to warm scenes, or for partial color correction when using tungsten based film outdoors and the desired look is to still have a slight blue cast.
- The 81EF N3 filter: 81EF converts tungsten 4140 K film to 3850 K lighting with ND3
- The 81EF N6 filter: 81EF converts tungsten 4140 K film to 3850 K lighting with ND6
- The 81EF N9 filter: 81EF converts tungsten 4140 K film to 3850 K lighting with ND9


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