Kodak T-Max 400 Professional film is a continuous-tone panchromatic black-and-white negative film. It is also useful for scientific and biomedical work, especially when fluorescence photography is required. It has high speed (ISO 400/27 in most developers), very high sharpness, extremely fine grain, and high resolving power; it allows a high degree of enlargement.
| Type | 35mm black and white negative film |
| Speed | ISO 400 |
| Applications | For dimly lighted subjects or fast action; for extending flash distance range; and for photographing subjects that require good depth of field and fast shutter speeds with maximum image quality for the film speed |
| Process | T-Max, T-Max RS, X-Tol, D-76, HC-110, Duraflo RT |
| Color Saturation | Not applicable |
| Grain | Fine |
| Sharpness | High |
| Exposure Latitude | Wide |
| Push/Pull | Can be pushed 2-stops |