exif: {"Image Make": "Canon", "Image Model": "Canon EOS DIGITAL REBEL XTi", "Image Orientation": "Horizontal (normal)", "Image Software": "darktable 1.0", "Image DateTime": "2012:05:05 04:32:05", "Image Artist": "Mairin Duffy", "Image Rating": "1", "Image Tag 0x4749": "20", "Image ExifOffset": "204", "Thumbnail JPEGInterchangeFormat": "5842", "Thumbnail JPEGInterchangeFormatLength": "8127", "EXIF ExposureTime": "1/100", "EXIF FNumber": "8", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "400", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2012:05:05 04:32:05", "EXIF DateTimeDigitized": "2012:05:05 04:32:05", "EXIF ComponentsConfiguration": "", "EXIF ShutterSpeedValue": "108853/16384", "EXIF ApertureValue": "6", "EXIF ExposureBiasValue": "0", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "55", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "3888", "EXIF ExifImageLength": "2592", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "EXIF InteroperabilityOffset": "5782", "EXIF FocalPlaneXResolution": "3888000/877", "EXIF FocalPlaneYResolution": "432000/97", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}