exif: {"Image Make": "Canon", "Image Model": "Canon EOS 450D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2011:07:15 14:12:46", "Image ExifOffset": "156", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "664", "Thumbnail JPEGInterchangeFormatLength": "11522", "EXIF ExposureTime": "1/200", "EXIF FNumber": "7/2", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "1600", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2011:07:12 16:30:47", "EXIF DateTimeDigitized": "2011:07:12 16:30:47", "EXIF ShutterSpeedValue": "477741/62500", "EXIF ApertureValue": "361471/100000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "29/8", "EXIF SubjectDistance": "11/25", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "18", "EXIF SubSecTimeOriginal": "68", "EXIF SubSecTimeDigitized": "68", "EXIF FocalPlaneXResolution": "1544000/439", "EXIF FocalPlaneYResolution": "257000/73", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}