exif: {"Image Make": "Canon", "Image Model": "Canon EOS 550D", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "QuickTime 7.7.1", "Image DateTime": "2011:08:23 20:17:13", "Image HostComputer": "Mac OS X 10.7.1", "Image ExifOffset": "224", "EXIF ExposureTime": "1/80", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "400", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": "2011:08:23 18:16:38", "EXIF DateTimeDigitized": "2011:08:23 18:16:38", "EXIF ApertureValue": "2", "EXIF ExposureBiasValue": "0", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "50", "EXIF ExifImageWidth": "5184", "EXIF ExifImageLength": "3456"}