T-Max 400

Nominal ISO

400

Process

B&W

Status

In production

First released

2008

Available formats

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BaseFilm base The clear, flexible support that carries the emulsion. Read more in the glossary ›

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EmulsionEmulsion The light-sensitive layer of a film: tiny crystals of silver halide held in gelatin. Read more in the glossary ›

Tabular

Spectral sensitivitySpectral sensitivity Which colours of light a film responds to, and how strongly. Read more in the glossary ›

Panchromatic ? — what this means

Sensitive to the whole visible spectrum, so colours turn into greys roughly the way the eye weighs them. This is what almost every general-purpose black and white film is. It has to be loaded and developed in complete darkness — no safelight is safe for it.

Grain (RMS)Grain The visible, sand-like texture in a photograph that comes from the clumps of silver or dye that form the image. Read more in the glossary ›

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Resolving power, line pairs / mm

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Maximum densityDensity How much light a negative, transparency or print blocks. Read more in the glossary ›

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Latitude overExposure latitude How far a film can be over- or underexposed and still give a usable result. Read more in the glossary ›

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Latitude under

—not given

A dash means the figure has not been read off a datasheet. Nothing here is estimated.