exif: {"Image Make": "Canon", "Image Model": "Canon EOS DIGITAL REBEL XSi", "Image Orientation": "Horizontal (normal)", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS5 (12.0x20100115 [20100115.m.998 2010/01/15:02:00:00 cutoff; m branch])  Windows", "Image DateTime": "2012:04:24 20:06:08", "Image ExifOffset": "292", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "830", "Thumbnail JPEGInterchangeFormatLength": "5356", "EXIF ExposureTime": "1/320", "EXIF FNumber": "9/5", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "400", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2011:02:24 12:07:19", "EXIF DateTimeDigitized": "2011:02:24 12:07:19", "EXIF ShutterSpeedValue": "1040241/125000", "EXIF ApertureValue": "847997/500000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "7/4", "EXIF MeteringMode": "Partial", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "50", "EXIF SubSecTime": "20", "EXIF SubSecTimeOriginal": "20", "EXIF SubSecTimeDigitized": "20", "EXIF ColorSpace": "Uncalibrated", "EXIF ExifImageWidth": "4272", "EXIF ExifImageLength": "2848", "EXIF FocalPlaneXResolution": "2136000/439", "EXIF FocalPlaneYResolution": "356000/73", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}