exif: {"Image Make": "Canon", "Image Model": "Canon EOS 5D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2010:06:16 12:37:21", "Image Artist": "k kent tam", "Image ExifOffset": "178", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "642", "Thumbnail JPEGInterchangeFormatLength": "10967", "EXIF ExposureTime": "1/250", "EXIF FNumber": "8", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "100", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2010:06:05 10:50:52", "EXIF DateTimeDigitized": "2010:06:05 10:50:52", "EXIF ShutterSpeedValue": "995723/125000", "EXIF ApertureValue": "6", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "3", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "32", "EXIF FocalPlaneXResolution": "873600/283", "EXIF FocalPlaneYResolution": "1456000/471", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}