Film · Black and white negative
Kodak Ektapan 400
Continuous-tone panchromatic black-and-white negative film on a T-Grain emulsion. Kodak describes it as the world's sharpest and finest grain 400 speed black-and-white film, with wide latitude for push and pull processing.
Eastman Kodak range announced 24 March 2026 (PetaPixel, Kosmo Foto). Kodak also lists 35mm 100ft bulk rolls and 4x5 in 10- and 50-sheet packs; its pages do not say how this film relates to T-Max.
- Box speed
- ISO 400
- Process
- BW
- Formats
- 35mm, 120, 4x5
- Grain
- Fine
- Latitude
- Not published
- Reciprocity
- Not published
Characteristics
Reciprocity failure
No official data available. The manufacturer hasn't published reciprocity specifications for this film.
For long exposures, try starting with a 1.3 exponent (t' = t1.3) as a baseline and bracket your shots. This is a reasonable middle ground that works for many films.
No manufacturer reciprocity data found; test or bracket long exposures.
Often used for
Help improve this page. Some information for this film is limited. If you have experience shooting Ektapan 400 or know of published data we're missing, we'd love to hear from you.
Get in touchDescriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.