0.5 l liquid concentrate to make 2.5 l. Ilfotec DD-X is a fine-grain developer which gives full film speed. It produces negatives which are easy to print. Correctly exposed negatives developed in Ilfotec DD-X have a full range of tones, with depth in the shadows, a smooth transition through the mid-tones and bright, detailed highlights. This developer is designed to complement the features of Ilford films, especially the range of Ilford Delta Professional films. In particular, it is recommended for use with Delta 3200 Professional film rated at EI 3200/36. It also gives excellent results when used with quality black-and-white films from other manufacturers. It is supplied as a liquid concentrate for one-shot use.