I like shooting on slow film, most of the time it is Ilford PanF though when I don't have it I have to shoot on Kodak TMax 100 because that is what is availiable locally. I like a fine grain and the other features of slow film and push when necessary. Well with one of my rolls I decided to pull it two stops down to ISO 12.5 and I really liked the effect, I was wondering if there is a very slow black and white film that is availiable to purchase (ISO 6 or 12.5), I know about Donau 6 which is ISO 6 colour film which I think looks lovely, but it's only availiable in 35mm and even if it was 120mm. I shoot 99% of the time in black and white, so something in b&w would be more useful. I live in Germany, but can order from all over the world. Thank you for your assistance!