exif: {"Image Make": "Canon", "Image Model": "Canon PowerShot SD870 IS", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS3 Macintosh", "Image DateTime": "2010:06:03 16:44:34", "Image HostComputer": "Mac OS X 10.5.8", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "260", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "662", "Thumbnail JPEGInterchangeFormatLength": "5146", "EXIF ExposureTime": "1/25", "EXIF FNumber": "14/5", "EXIF ISOSpeedRatings": "200", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": "2010:05:20 05:36:02", "EXIF DateTimeDigitized": "2010:05:20 05:36:02", "EXIF ShutterSpeedValue": "149/32", "EXIF ApertureValue": "95/32", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "95/32", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "23/5", "EXIF ColorSpace": "Uncalibrated", "EXIF ExifImageWidth": "540", "EXIF ExifImageLength": "640", "EXIF SensingMethod": "One-chip color area"}