exif: {"Image Make": "Canon", "Image Model": "Canon PowerShot S90", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "QuickTime 7.6.6", "Image DateTime": "2011:01:30 17:05:54", "Image HostComputer": "Mac OS X 10.6.6", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "252", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "640", "Thumbnail JPEGInterchangeFormatLength": "6542", "Thumbnail YCbCrPositioning": "Centered", "EXIF ExposureTime": "1/20", "EXIF FNumber": "16/5", "EXIF ISOSpeedRatings": "1000", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": "2011:01:29 16:40:42", "EXIF DateTimeDigitized": "2011:01:29 16:40:42", "EXIF ShutterSpeedValue": "69/16", "EXIF ApertureValue": "107/32", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "107/32", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "10701/1000", "EXIF ColorSpace": "sRGB", "EXIF SensingMethod": "One-chip color area"}