Ilford Delta DP400 120 Roll ASA 400.120mm, ISO 400, high speed, exceptionally fine grain B&W film designed to produce images with extraordinary depth and detail. Created using Ilford's latest Core-shell™ emulsion technology, DELTA 400 produces images with exceptional sharpness and the finest of grain to offer a leading combination of speed vs sharpness along with impressive tonal range. This highly versatile film delivers outstanding results over a broad exposure range of ISO 200 – ISO 1600 while its ISO 400 rating allows the use of faster shutter speeds yet with the comparable quality of medium speed films.