exif: {"Image Make": "Canon", "Image Model": "Canon EOS 50D", "Image Orientation": "Horizontal (normal)", "Image XResolution": "150", "Image YResolution": "150", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Shotwell 0.12.3", "Image DateTime": "2013:06:08 23:01:46", "Image ExifOffset": "194", "EXIF Make": "Canon", "EXIF Model": "Canon EOS 50D", "EXIF DateTime": "2013:06:15 23:34:43", "EXIF ExposureTime": "1/60", "EXIF FNumber": "4", "EXIF ExposureProgram": "Shutter Priority", "EXIF ISOSpeedRatings": "100", "EXIF DateTimeOriginal": "2013:06:08 23:01:46", "EXIF DateTimeDigitized": "2013:06:08 23:01:46", "EXIF ShutterSpeedValue": "6", "EXIF ApertureValue": "4", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "1", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "30", "EXIF SubSecTime": "820", "EXIF ExifImageWidth": "2861", "EXIF ExifImageLength": "1909", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}