To repeat some previous comments made in the color forum, I believe that you will find that Kodak Ektar 100, and the Vision family of Motion Picture films use a combined t-grain and 3D (cubic) emulsion. This was announced by Kodak at the introduction of these products.

You will find this information at: http://www.kodak.com/global/en/profe...4046/e4046.pdf

PE