Although the extension *.img is used by more than one detector manufacturer, you are probably looking at data from an ADSC Inc detector? Andy Arvai's "adxv" is a popular viewer for this format: http://www.scripps.edu/~arvai/adxv.html Run it with the option "-nopixmap" if you are using it inside an NX client. -James Holton MAD Scientist Paul Lindblom wrote: > Hi everybody, > > does anybody know a program to display x-ray (.img) data images in > windows? > > Thanks, > > P.