Kodak Professional Tri-X 400 Films are high-speed panchromatic films that are a great choice for photographing dimly lighted subjects or fast action, for photographing subjects that require good depth of field and fast shutter speeds, and for extending the distance range for flash pictures.
Tri-X offers a lush tonal scale and is capable of capturing a huge exposure range. With the proper developer, you can rate it from 200 to 1600 ASA, and still get good results.
Over the past 50 years, Tri-X has been and still is, the black and white stock that photojournalists and artists swear by. It is almost certain, that more famous shots have been taken with this stock, than any other in the history of film.