SKU: 42224364808

Tiffen 5.65 x 5.65" Decamired Red Color Conversion Glass Filters (Set of 4)

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Description

Tiffen 5.65 x 5.65" Decamired Red Color Conversion Glass Filters (Set of 4)Used for Temperature Control Available in Specific Increments Warming and Cooling Variety Tiffen Decamired Filters Decamired filters are designed to more easily handle unusual color temperature variations than the previously mentioned filters. Available in increments of both a red and a blue series, Decamired filters can be readily combined to create almost any required correction. In measuring the color temperature of the light source, and comparing

  • Used for Temperature Control
  • Available in Specific Increments
  • Warming and Cooling Variety

Tiffen Decamired Filters �
Decamired filters are designed to more easily handle unusual color temperature variations than the previously mentioned filters. Available in increments of both a red and a blue series, Decamired filters can be readily combined to create almost any required correction.

In measuring the color temperature of the light source, and comparing it to that for which the film was designed, we can predict the required filtration fairly well.

A filter that produces a color temperature change of 100K at 3400K will produce a change of 1000K at 10,000K. This is because the filter relates to a visual scale of color. It will always produce the same visible difference. A color change of 100K at the higher temperature would hardly be noticed.

Example
To allow simple calculation of such differences, we convert the color temperature into its reciprocal, that is, to divide it into "1." Then, since this is usually a number with six or more decimal places, we multiple it by 106, or one million, for convenience. This is then termed the "mired value," for micro reciprocal degrees. It identified the specific change introduced by the filter in a way that is unrelated to the actual temperature range involved.

To see this more clearly, let's look at the following changes in color temperature from both the degree and mired differences. Numbers are degrees Kelvin, those in parentheses are mireds:

  • 9100 (110) to 5900 (170) = difference of 3200 (60)
  • 4350 (230) to 3450 (290) = difference of 900 (60)
  • 4000 (250) to 3200 (310) = difference of 800 (60)

    From this, you can see that, although the degree differential varies as the range changes, the actual filtration difference for these examples, in mireds, is the same.

    Calculations
    To use this concept, subtract the mired value of the light source from that of the film. If the answer is positive, you need a reddish filter; if negative, use a bluish filter. Mired-coordinated filters are termed as decamireds. Mired value divided by ten yields decamireds.

    The 60 mired shifts, above, would be produced by an R6 filter, where the higher values were that of the lighting. Sets of such filters generally come in values of 1.5, 3, 6, and 12 decamireds in both B (bluish) and R (reddish) colors. These numbers are additive; that is, a pair of R3's produces an R6. An R6 plus a B6 cancel each other out to produce a neutral gray.

In the Box
Tiffen 5.65 x 5.65" Decamired Red Color Conversion Glass Filters (Set of 4)
  • 4 Glass Filters
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
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SKU: 42224364808

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Carl
Natrona Heights, US
★★★★★ 5
Worth the purchase
Color: Black
Very easy to set up and one setup provided great privacy for viewing not so much for sound but that's expected and the reason why I got it
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Reviewed in the United States on April 12, 2026
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Tristin Lawrence
Charlottesville, US
★★★★★ 5
Simple, sturdy and perfect for creating privacy
Color: Black
This room divider is very easy to set up and surprisingly sturdy. It works great for creating a quick private space in a room without installing anything permanently. The fabric looks clean and modern, and it’s lightweight enough to move around when needed. Perfect for separating spaces in a living room or studio.
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Reviewed in the United States on March 14, 2026
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Francheska Morales
Phoenix, US
★★★★★ 5
Divisor muy conveniente
Quedo espectacular
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Reviewed in the United States on May 16, 2026
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Lindsey torres
Dallas, US
★★★★★ 2
Not worth the price cheap materials
Color: Black
Honestly started to lean to one side after having it up one day and the bottom kept coming off not worth the price
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Reviewed in the United States on March 15, 2026
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king
Lake Worth, US
★★★★★ 5
Well built
Color: Black
Did the job! Awesome divider and very easy to put together
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Reviewed in the United States on March 15, 2026

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