As I said up above, the Mass Chart gives the impression that Arista Premium 400 has an old and new emulsion, although I think they only copied off the times related to the Tri-X film, old and new...
Quote Originally Posted by cmacd123 View Post
There are "old" and "new" times for TX400 and 400TX respecivly. The Arista Premium should use the times for 400TX. Note that there has been some controversy for the time calulated by Kodak for HC-110B for this film. There should be a thread on this topic.