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A clear round glass filter with a thin metal rim marked 77mm and 80A

Tiffen

Tiffen 77mm 80A Tungsten to Daylight Conversion Filter

SKU CH-358G-9MCMD

Converts tungsten light to daylight colour balance with 1 1/3 stop exposure compensation

  • Converts tungsten 3200K light to 5500K daylight balance
  • 80A grade delivers precise color correction for indoor shooting
  • Filter factor 2.4 requires 1 1/3 stops extra exposure
  • High-grade glass construction ensures optical clarity and scratch resistance
  • 77mm thread fits compatible lenses for versatile use

What this filter does

The Tiffen 77mm 80A filter converts tungsten light at 3200K to a daylight balance of 5500K for accurate colour reproduction. It provides significant colour correction when using daylight-balanced film or sensors under standard household incandescent lamps. The filter has a factor of 2.4, requiring 1 1/3 stops of additional exposure.

Who should use it

Photographers shooting with daylight film or digital white balance under warm artificial lighting will benefit from the 80A grade correction. It suits users who need precise colour temperature conversion from 3200K sources. Buyers who require a lighter correction strength such as an 80B or 80C filter should look at alternative grades.

Critical specification

The filter thread size is 77mm and must match the lens diameter exactly for proper fit. The 80A designation defines the specific colour temperature shift from 3200K to 5500K. Confirm both the thread size and the required correction grade before purchase.

Highlights

  • Converts tungsten 3200K light to 5500K daylight balance
  • 80A grade delivers precise color correction for indoor shooting
  • Filter factor 2.4 requires 1 1/3 stops extra exposure
  • High-grade glass construction ensures optical clarity and scratch resistance
  • 77mm thread fits compatible lenses for versatile use

Specifications

No published specifications for this item yet.

Questions about this item

Which strength of the 80 series filter should I pick for converting 3200K tungsten light to 5500K daylight?

Choose the 80A grade; it is specifically designed to raise the color temperature from 3200K to 5500K, matching daylight-balanced film or sensor settings under standard incandescent lamps.

What does the filter factor of 2.4 mean when I mount this on my camera?

The filter absorbs light equivalent to 1 1/3 f-stops, so your through-the-lens meter will automatically compensate, while handheld meters require you to open the aperture or slow the shutter by that amount.

How does the 77mm thread size limit which lenses I can use this filter with?

It fits only lenses that have a 77mm front filter thread; step-up or step-down rings are needed for any other diameter.

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