I currently have ilford xp2 400 in my trip and the Asa is set to 400, thats what i guess you do. From a newbie wanting to get contrasty and grainy b/w pictures is there any relationship between the asa set and the actual film speed, can i change the way the
film works by setting asa 100 for eg? I don,t develop myself so i am stuck to a few films. I shoot buildings and people in good ...