Kodak · ISO 400 Color negative

Kodak Gold 400

Color negative ISO 400 Discontinued consumer 400 · warm tones · C-41 · everyday film

Gold 400 filled the speed slot between Gold 200 and the professional Portra line for the better part of fifteen years. It was the roll you grabbed when you knew the light would be bad and you needed to shoot without a tripod. Birthday parties indoors. Youth sports under gymnasium fluorescents. Overcast beach afternoons in late October. The consumer case for a fast C-41 stock was real and Gold 400 occupied it without apology.

The color signature is warm. Gold stocks have always run slightly orange compared to Kodak's professional lines, partly by design and partly as a consequence of the less expensive sensitizer chemistry used in the consumer emulsions. In bright outdoor light this warmth reads as pleasing, sometimes genuinely flattering for skin. Under mixed tungsten and daylight it can push toward amber in a way that requires correction if the client wants neutral white. For snapshot work nobody corrected anything and the warmth wasn't perceived as a problem.

Grain at ISO 400 is typical of its era and class: visible at 8x10 enlargement, clearly coarser than Portra 400VC at the same speed, finer than the grain on Ultramax 400 in some batches depending on year of manufacture. The latitude is better than the professional stocks would suggest for the speed tier; Gold stocks were built to survive bad metering and aging camera shutters.

Kodak pulled Gold 400 from the lineup around 2007 and replaced it with Ultramax 400, which uses an updated emulsion with finer grain and slightly cooler color rendering. Old Gold 400 stock shows up occasionally in estate sales or garage freezers. C-41 process works normally.

Reciprocity exponent is 1.20. Zone Light Meter runs the correction past one second automatically.

How the app handles this stock

  • Box speed: ISO 400. Picker exposes pull/push chips so you can shoot it at any speed you want and the meter follows.
  • Reciprocity: Above one second the app raises metered time to the power of 1.20.
  • Expired film: if you load an old roll, set the expiry year and storage in the app and the ISO scales for you. Color negative decay rates are baked in.

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