SKU: 27300599909

Tiffen 3x4" Deca Mired Set of 4 Red Color Conversion Glass Filter

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Description

Tiffen 3x4" Deca Mired Set of 4 Red Color Conversion Glass FilterDefinition 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

Definition

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 100 deg. K at 3400 deg. K will produce a change of 1000 deg. K at 10,000 deg. K. This is because the filter relates to a visual scale of color. It will always produce the same visible difference. A color change of 100 deg. K 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 3x4" Deca Mired Set of 4 Red Color Conversion Glass Filter
  • 4 Glass Filters
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SKU: 27300599909

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BellaGi
Dallas, US
★★★★★ 5
2 years later and it’s still going!
Color: Cyan NylonFish, Color: Cyan NylonFish
I have 2 dogs, a 6lb chihuahua (Lolli) and an almost 100lb German shepherd/Belgian Malinois (Uzi). Got this for Uzi, however, Lolli had other plans for it. She literally took it out her mouth and ran to hide it. It’s been over a year, closer to 2 and it’s still hanging on. Attached a photo of Lolli…
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Reviewed in the United States on May 19, 2026
S
Verified Purchase
steven casteel
San Leandro, US
★★★★★ 5
Best found
Color: Cyan NylonFish
I have a heavy heavy chewer, the only things that has escaped him were items like "kong" solid and rubber but no squeaky. He quickly lost interest in the toy; largely within a week at most and never picks it up again unless really bored. Squeaky toys had a life shelf of a week at best, that is with us taking them away to "preserve" them for longer. So far, this toy, the fish, has been the longest surviving squeaky and the longest at keeping his interest. it has received some cosmetic damage, but nothing that would make you remove the toy from his possession and it STILL squeaks.
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Reviewed in the United States on October 20, 2024
C
Verified Purchase
Courtney
Draper, US
★★★★★ 4
Still holding up to my super-chewer!
Color: Cyan NylonFish, Color: Cyan NylonFish
It's a very good product. I would recommend this toy for a heavy chewing dog. My main reasons it's not 5 stars, it's HEAVY and the eyes peeled right off. My pup really likes to throw his toys around, this thing sounds like a cannon ball that's going to go through our floor! He also tries to destroy everything so he was chewing on the eyes and he would have definitely eaten them if I wasn't paying attention. It's not a horrible thing but I obviously don't want him to eat non food things. My dog also likes the squeaker in it, but it's difficult for me to get it to squeak. That's not a big deal though just thought I should mention it. Overall especially for the price, it's a good sturdy product that's cute and it's still holding up. He's chewed parts of the softer areas off a bit, but the rest is very hard so he hasn't made much of a dent. It's also about as big as his head, so he's pretty happy with it!
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Reviewed in the United States on January 18, 2025
S
Verified Purchase
Sandra Black
Los Angeles, US
★★★★★ 5
Your dog will.love this banana
Color: Banana
My dog loves this, plays with it constantly
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Reviewed in the United States on March 24, 2026
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Amazon Customer
Natrona Heights, US
★★★★★ 5
Great toy for your dogs!
Color: Banana
This was ordered to replace a beloved squeaky toy of my dogs and this toy is even better than the original! Very durable and a great price! It’s such a fun toy for our dogs!
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Reviewed in the United States on January 25, 2025

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