exif: {"Image SubfileType": "Full-resolution Image", "Image ImageDescription": "\u8df3\u623f\u5b50", "Image Make": "Leica", "Image Model": "M6", "Image Orientation": "Horizontal (normal)", "Image Software": "darktable 0.9.3", "Image DateTime": "2012:06:14 09:23:26", "Image Rating": "1", "Image Tag 0x4749": "20", "Image ExifOffset": "186", "EXIF ISOSpeedRatings": "400", "EXIF Tag 0x882A": "8", "EXIF DateTimeOriginal": "2012:04:26 12:00:00", "EXIF FocalLength": "35", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "4980", "EXIF ExifImageLength": "3324"}