exif: {"Image Make": "Canon", "Image Model": "Canon EOS 40D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2010:12:28 13:38:14", "Image ExifOffset": "154", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "762", "Thumbnail JPEGInterchangeFormatLength": "10686", "EXIF ExposureTime": "1/640", "EXIF FNumber": "4", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "250", "EXIF SensitivityType": "Unknown", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2010:12:04 16:00:38", "EXIF DateTimeDigitized": "2010:12:04 16:00:38", "EXIF ShutterSpeedValue": "1165241/125000", "EXIF ApertureValue": "4", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "4", "EXIF SubjectDistance": "113/100", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "12", "EXIF SubSecTimeOriginal": "64", "EXIF SubSecTimeDigitized": "64", "EXIF FocalPlaneXResolution": "324000/73", "EXIF FocalPlaneYResolution": "2592000/583", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard", "EXIF BodySerialNumber": "1320714776", "EXIF LensSpecification": "[12, 24, 0/0, 0/0]", "EXIF LensModel": "12-24mm"}