exif: {"Image Make": "Canon", "Image Model": "Canon EOS 40D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2010:04:06 23:43:10", "Image ExifOffset": "154", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "662", "Thumbnail JPEGInterchangeFormatLength": "15180", "EXIF ExposureTime": "1/400", "EXIF FNumber": "63/10", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "250", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2010:04:06 17:50:58", "EXIF DateTimeDigitized": "2010:04:06 17:50:58", "EXIF ShutterSpeedValue": "540241/62500", "EXIF ApertureValue": "331919/62500", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "4", "EXIF SubjectDistance": "4294967295", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "200", "EXIF SubSecTimeOriginal": "97", "EXIF SubSecTimeDigitized": "97", "EXIF FocalPlaneXResolution": "324000/73", "EXIF FocalPlaneYResolution": "2592000/583", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}