push process of Kodak Portra

Push-Processing KODAK PROFESSIONAL PORTRA Films in Sink-Line Processors KODAK PROFESSIONAL PORTRA 400UC and PORTRA 800 Films are designed so that you can pushprocess them to higher exposure indexes. You can pushprocess PORTRA 400UC Film to an exposure index of 800, and PORTRA 800 film to exposure indexes of 1600 and 3200, and produce negatives that yield good-quality prints. To push-process these films, extend the development time for the exposure index you used according to the table below. Keep the times for all other solutions the same as those for a normal process.



Source: http://www.kodak.com/global/plugins/acrobat/en/service/Zmanuals/z131_03.pdf