dir = getDirectory (" Choose a directory ") ;
list = getFileList(dir) ;
for (i=000; i<list.length; i++) {

open(dir + list [i]) ;
run("8-bit") ;
run("Enhance Contrast", "saturated=0.5");
run("Apply LUT");
setMinAndMax(39, 294);
saveAs("Tiff") ;
close() ;
}