Retro 400S is a completely reliable partner in changing light conditions. It can be used as both an all-round film and as a film for the grey areas - photography in available light and dim lighting conditions. Rollei RETRO 400S is coated onto a modern synthetic film base.  The film can be used as a general purpose photographic film suitable for all professional task. It has excellent sharpness and contrast as well as high edge sharpness.