exif: {"Image Make": "Canon", "Image Model": "Canon EOS 450D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2013:02:10 20:35:35", "Image ExifOffset": "156", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "664", "Thumbnail JPEGInterchangeFormatLength": "12538", "EXIF ExposureTime": "1/30", "EXIF FNumber": "28/5", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "1600", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2013:02:10 16:33:30", "EXIF DateTimeDigitized": "2013:02:10 16:33:30", "EXIF ShutterSpeedValue": "4906891/1000000", "EXIF ApertureValue": "2485427/500000", "EXIF ExposureBiasValue": "-2/3", "EXIF MaxApertureValue": "19/4", "EXIF SubjectDistance": "37/50", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "50", "EXIF SubSecTimeOriginal": "22", "EXIF SubSecTimeDigitized": "22", "EXIF FocalPlaneXResolution": "2136000/439", "EXIF FocalPlaneYResolution": "356000/73", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}