Per thomer.com/howtos/copy_exif.html[thomer.com/howtos/copy_exif.html] :You have one image with EXIF data and you would like another image to have exactly the same EXIF header. One such situation arises when you create jpg images based on raw images, but the software (for example, Adobe Photoshop CS) does not copy the EXIF data into the jpg. Solution: Use ExifTool by Phil Harvey. Cmd line Command : > [ exiftool -TagsFromFile DSC001.JPG DSC002.jpg ]
See also: "IrfanView"