Kodak T400 CN is a 400-speed, panchromatic black-and-white film, designed for C-41 processing alongside color negative films. The film features kodak T-GRAIN Emulsions for fine grain and sharpness, and is suitable for a wide range of lighting conditions without the need for filters, although filters can be used to adjust tone and contrast. It is intended for general, commercial, scientific, and journalistic photographic applications, and can be printed on either black-and-white or color negative papers.