Tag Archives: collimation

The New Exposure Index (EI) Terminology

There are three new definitions all of the manufacturers are now using that will soon become standard terminology in our profession. The first and most important is that finally(!!) there will be only one name for the number that comes up after your exposure to show the measure ofthe radiation

How to Properly Critique a Digital Image

We have had hundreds of digital equipment training hours at my hospital in the past 10 years, but in all of that I don’t remember any time given in learning how to correctly critique the image.  I have to imagine this is the same with everyone around the country, possibly

Problems with Exposure Index (EI) Numbers

When Fuji first developed CR back in the early 80’s, they were also the first company to invent an Exposure Index (EI) number system.  As most of us know, they went with S numbers and decided to have those numbers correspond with the speed of film –screen systems so that the higher