exif: {"Image Make": "Canon", "Image Model": "Canon EOS 20D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2011:06:10 22:22:29", "Image Artist": "unknown", "Image ExifOffset": "174", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "762", "Thumbnail JPEGInterchangeFormatLength": "11644", "EXIF ExposureTime": "1/60", "EXIF FNumber": "11", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "200", "EXIF SensitivityType": "Unknown", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2011:06:10 20:34:48", "EXIF DateTimeDigitized": "2011:06:10 20:34:48", "EXIF ShutterSpeedValue": "5906891/1000000", "EXIF ApertureValue": "6918863/1000000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "4", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "40", "EXIF FocalPlaneXResolution": "233600/59", "EXIF FocalPlaneYResolution": "233600/59", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard", "EXIF CameraOwnerName": "unknown", "EXIF BodySerialNumber": "520316081", "EXIF LensSpecification": "[17, 40, 0/0, 0/0]", "EXIF LensModel": "17.0-40.0 mm"}