As people have said before , you can send a photo the right way up but when it gets put on the forum it ends up sideways . Why ? I do not have the latest and greatest I - phone .
Comparison of testing screens shows all the sizes of screens in microns and inches . For those that do not know there are about 5 different standards of screens . Tyler Standard , U.S. Standard , British Standard , I.M.M. Screens and not forgetting the Australian Standard which mainly follows the British Standard .