exif: {"Image Make": "Canon", "Image Model": "Canon EOS 20D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2010:12:21 06:29:06", "Image Artist": "unknown", "Image ExifOffset": "174", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "638", "Thumbnail JPEGInterchangeFormatLength": "10458", "EXIF ExposureTime": "1/200", "EXIF FNumber": "11", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "200", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2008:04:28 16:29:16", "EXIF DateTimeDigitized": "2008:04:28 16:29:16", "EXIF ShutterSpeedValue": "477741/62500", "EXIF ApertureValue": "6918863/1000000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "29/8", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "45", "EXIF FocalPlaneXResolution": "169600/59", "EXIF FocalPlaneYResolution": "169600/59", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}