Revolog Echo 400 ISO Exp.36 FilmWith the improved availability of 35mm color films, we've finally been able to bring a long awaited project to life. ECHO is the first revolog film to combine captivating color shifts with mesmerizing prismatic textures. Imagine textures reminiscent of gemstone reflections, intensifying in darker areas and subtly fading in brighter ones. ECHO is available in both 200 and 400 ISO with 36 exposures.