exif: {"Image SubfileType": "Reduced-resolution image", "Image ImageDescription": "SONY DSC", "Image Make": "SONY", "Image Model": "DSLR-A550", "Image Orientation": "Horizontal (normal)", "Image Software": "darktable 1.3+639~g2f3cbbf", "Image DateTime": "2013:07:02 19:22:49", "Image YCbCrPositioning": "Co-sited", "Image Rating": "1", "Image Tag 0x4749": "20", "Image ExifOffset": "378", "Image PrintIM": "[80, 114, 105, 110, 116, 73, 77, 0, 48, 51, 48, 48, 0, 0, 6, 0, 1, 0, 22, 0, ... ]", "EXIF ExposureTime": "1/500", "EXIF FNumber": "4", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "200", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2013:07:02 19:22:49", "EXIF DateTimeDigitized": "2013:07:02 19:22:49", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "8", "EXIF BrightnessValue": "6", "EXIF ExposureBiasValue": "-1", "EXIF MaxApertureValue": "84/25", "EXIF MeteringMode": "Pattern", "EXIF LightSource": "Unknown", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "100", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "4608", "EXIF ExifImageLength": "3072", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "EXIF InteroperabilityOffset": "44072", "EXIF FileSource": "Digital Camera", "EXIF SceneType": "Directly Photographed", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF FocalLengthIn35mmFilm": "150", "EXIF SceneCaptureType": "Standard", "EXIF Contrast": "Normal", "EXIF Saturation": "Normal", "EXIF Sharpness": "Normal"}