exif: {"Image Make": "Canon", "Image Model": "Canon EOS 50D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Lightroom 3.4.1", "Image DateTime": "2011:07:20 00:34:16", "Image ExifOffset": "198", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "780", "Thumbnail JPEGInterchangeFormatLength": "9032", "EXIF ExposureTime": "1/20", "EXIF FNumber": "9/2", "EXIF ExposureProgram": "Shutter Priority", "EXIF ISOSpeedRatings": "800", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2011:06:26 21:02:35", "EXIF DateTimeDigitized": "2011:06:26 21:02:35", "EXIF ShutterSpeedValue": "540241/125000", "EXIF ApertureValue": "86797/20000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "7/4", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "50", "EXIF SubSecTimeOriginal": "78", "EXIF SubSecTimeDigitized": "78", "EXIF FocalPlaneXResolution": "792000/149", "EXIF FocalPlaneYResolution": "1056000/199", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Manual", "EXIF SceneCaptureType": "Standard", "EXIF BodySerialNumber": "430324672", "EXIF LensSpecification": "[50, 50, 0/0, 0/0]", "EXIF LensModel": "EF50mm f/1.8 II"}