exif: {"Image Make": "Canon", "Image Model": "Canon EOS 400D DIGITAL", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2012:10:30 23:00:36", "Image Artist": "Li Hao Sun", "Image ExifOffset": "188", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "672", "Thumbnail JPEGInterchangeFormatLength": "12998", "EXIF ExposureTime": "1/90", "EXIF FNumber": "8", "EXIF ExposureProgram": "Shutter Priority", "EXIF ISOSpeedRatings": "200", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2012:10:28 13:47:56", "EXIF DateTimeDigitized": "2012:10:28 13:47:56", "EXIF ShutterSpeedValue": "6491853/1000000", "EXIF ApertureValue": "6", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "139/32", "EXIF SubjectDistance": "4294967295", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "100", "EXIF FocalPlaneXResolution": "3888000/877", "EXIF FocalPlaneYResolution": "432000/97", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Manual", "EXIF SceneCaptureType": "Standard"}