Fujichrome Provia 400X [RXP] was a professional-quality, daylight-balanced color reversal film produced by Fujifilm with a speed of ISO 400/27°. It was developed to replace Provia 400F [RHP III], improving color image storage permanence and fading resistance. Known for its ability to be pushed/pulled from −1/2 stop to +2 stops, it was discontinued in 2013.