Fujifilm Fujichrome Provia 400X Color Slide Film ISO 400, 35mm, 36 Exposures Provia 400X features higher saturation with more vivid color Provia 400X offers a new level of Fine Grain in an ISO 400 Chrome Film with an RMS Granularity of 11 Provia 400X provides Improved Image Stability and Resistance to Fading