I just got back three rolls of Provia 100 120 that were badly blown out, all overexposed by at least a whole stop or more. I was shooting at the box rated speed. The only one that came out was one that was shot in kind of a dark location; I thought it would be underexposed but in fact looks pretty good. I haven't used this film before; most of my recent slide shooting has been Kodachrome. I don't think it was my light meter; I've used it with other films and cameras without difficulty. I don't think it's the camera (a Kowa 6), as I just processed a roll of Acros I shot just after the Provia, and the negs look spot-on exposure-wise. Should this film be rated at a slower speed? Or did I screw it up?