One of my film backs has a light leak or is giving irregularly spaced negatives. How can I tell which back it is?
Did you ever get your film back from the lab, only to discover there was a problem, such as a light leak or bad film spacing, and you didn’t know which magazine was the culprit? This can be a big problem. There is a way, however, to “fingerprint” your magazines. If you remove the dark slide from a magazine and look at the plate that mates with the rear plate on the body, you will see two small “v” shaped notches on the left-hand side, in the middle. These two small notches are cut into every Hasselblad film magazine, and appear on every negative taken with a Hasselblad camera. I can file one additional notch half-way down on the same side on one of your magazines, two notches on another magazine, three notches on another magazine, and so on. Every picture taken with the magazine that has one extra notch will show that one notch on every negative. Every picture taken with the magazine that has two extra notches will show those two notches on every negative, and so on. After the notches
