exif: {"Image Make": "Canon", "Image Model": "Canon EOS 5D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2009:02:15 13:33:09", "Image Artist": "k kent tam", "Image ExifOffset": "178", "EXIF ExposureTime": "1/100", "EXIF FNumber": "11", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "100", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2009:02:07 14:07:43", "EXIF DateTimeDigitized": "2009:02:07 14:07:43", "EXIF ShutterSpeedValue": "415241/62500", "EXIF ApertureValue": "6918863/1000000", "EXIF ExposureBiasValue": "2/3", "EXIF MaxApertureValue": "1", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "50", "EXIF FocalPlaneXResolution": "873600/283", "EXIF FocalPlaneYResolution": "1456000/471", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}