exif: {"Image Make": "Canon", "Image Model": "Canon PowerShot A640", "Image Orientation": "Horizontal (normal)", "Image XResolution": "180", "Image YResolution": "180", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2011:07:08 22:24:52", "Image ExifOffset": "174", "EXIF ExposureTime": "1/13", "EXIF FNumber": "7/2", "EXIF ISOSpeedRatings": "800", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": "2011:07:08 22:24:52", "EXIF DateTimeDigitized": "2011:07:08 22:24:52", "EXIF CompressedBitsPerPixel": "5", "EXIF ShutterSpeedValue": "59/16", "EXIF ApertureValue": "29/8", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "29/8", "EXIF MeteringMode": "CenterWeightedAverage", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "21709/1000", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "3648", "EXIF ExifImageLength": "2736", "EXIF FocalPlaneXResolution": "1410899/111", "EXIF FocalPlaneYResolution": "394493/31", "EXIF FocalPlaneResolutionUnit": "2", "EXIF SensingMethod": "One-chip color area", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Manual", "EXIF DigitalZoomRatio": "1", "EXIF SceneCaptureType": "Standard"}