exif: {"Image Make": "Canon", "Image Model": "Canon EOS 450D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2011:03:03 16:08:48", "Image ExifOffset": "155", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "685", "Thumbnail JPEGInterchangeFormatLength": "3978", "EXIF ExposureTime": "1/3200", "EXIF FNumber": "5", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "200", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2011:03:02 19:17:37", "EXIF DateTimeDigitized": "2011:03:02 19:17:37", "EXIF ShutterSpeedValue": "727741/62500", "EXIF ApertureValue": "290241/62500", "EXIF ExposureBiasValue": "-1", "EXIF MaxApertureValue": "9/2", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "150", "EXIF SubSecTimeOriginal": "47", "EXIF SubSecTimeDigitized": "47", "Interoperability RelatedImageWidth": "2048", "Interoperability RelatedImageLength": "1314", "EXIF InteroperabilityOffset": "561", "EXIF FocalPlaneXResolution": "2136000/439", "EXIF FocalPlaneYResolution": "356000/73", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}