exif: {"Image Make": "Canon", "Image Model": "Canon EOS 50D", "Image XResolution": "180", "Image YResolution": "180", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2013:03:12 20:44:28", "Image ExifOffset": "154", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "662", "Thumbnail JPEGInterchangeFormatLength": "10673", "EXIF ExposureTime": "1/400", "EXIF FNumber": "5", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "100", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2011:06:18 18:02:16", "EXIF DateTimeDigitized": "2011:06:18 18:02:16", "EXIF ShutterSpeedValue": "540241/62500", "EXIF ApertureValue": "290241/62500", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "4", "EXIF SubjectDistance": "253/10", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "138", "EXIF SubSecTimeOriginal": "47", "EXIF SubSecTimeDigitized": "47", "EXIF FocalPlaneXResolution": "576000/149", "EXIF FocalPlaneYResolution": "768000/199", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}