The Rollei RPX 400 is a traditional high speed black and white film that is a good choice for a variety of photographic and scientific applications. This film is good for general indoor and outdoor photography applications. It is a fine grain film that enables good sharpness and a broad tonal range with good contrast. Rollei RPX 400 is panchromatic sensitized from 380 to 660nm and has a broad exposure latitude.contact: email@example.com © 2020 Zhao Zhenguo. All Rights Reserved.