Historically digital cameras shot jpg formatted and included information about the image embedded within the image file. However as cameras progressed camera manufacturers started using proprietary RAW image formats. This meant, proprietary reader needed to be employed to read the EXIF information out of RAW images.
ImgArchive contains a basic EXIF reader for reading picture format images such as JPG. However it can not read most RAW formatted images.
Using and external EXIF reader and imgArchive