Lead Aprons - Video Lesson

We have three exercises concerning lead aprons. The first one was an experiment that we did that was really showing the dose between a point two five point three seven five and a point five millimeter equivalent lead aprons. Figuring that the point five was the best. And what we wanted to know was, is a zero point two five or a zero point three seven five as good? So We set the whole thing up here with the abdomen phantom, and then next to it, you can see is the ion chamber coming out at a ninety degree angle. So we collimated the tube down. It was at forty inches. We collimated it down to a twelve inch by twelve inch. It's sort of similar to what an eye eye would be, or at least an eye eye of a c arm. And we didn't want it to be bigger than the abdomen so that there would be any primary being hidden anywhere. And