exif: {"Image Make": "Canon", "Image Model": "Canon EOS 30D", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "QuickTime 7.7.1", "Image DateTime": "2013:01:28 15:06:39", "Image HostComputer": "Mac OS X 10.7.5", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "246", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "582", "Thumbnail JPEGInterchangeFormatLength": "5403", "Thumbnail YCbCrPositioning": "Centered", "EXIF ExposureTime": "1/160", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "500", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": "2013:01:28 14:21:06", "EXIF DateTimeDigitized": "2013:01:28 14:21:06", "EXIF ApertureValue": "36719/7907", "EXIF ExposureBiasValue": "-2/3", "EXIF MaxApertureValue": "4", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "12"}