Rollei Infrared 400is well suited for experimental, creative applications and for scientific photography. This film has a sensitivity up to 820nm and and ISO of 400 without filtering. Perfect exposures can be reached, using special infrared filters, leading to results with an unusual tonal range. Special AURA effects can be obtained by overexposing film. It has high contrast, very fine grain and excellent sharpness and is especially suited for scanning.