There it wasn't an ISO for contrast until 1993 or so, so it was a free playground. Now, in my experience, things may show variations but the extent of them aren't that wide from what is stated in the tech sheet. On the road On 26/07/2013, at 22:48, "BOB KISS" <bobkiss@xxxxxxxxxxxxx> wrote: > As long ago as Adam’s books, The Print and The Negative, he talked about the > significant variations of contrast of #2 papers from manufacturer to > manufacturer. ============================================================================================================To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.