exif: {"Image Make": "Canon", "Image Model": "Canon EOS 7D", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2011:03:28 16:21:52", "Image ExifOffset": "154", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "754", "Thumbnail JPEGInterchangeFormatLength": "20254", "EXIF ExposureTime": "1/80", "EXIF FNumber": "9/2", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "640", "EXIF SensitivityType": "Unknown", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2011:03:21 13:35:33", "EXIF DateTimeDigitized": "2011:03:21 13:35:33", "EXIF ShutterSpeedValue": "790241/125000", "EXIF ApertureValue": "86797/20000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "35/8", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "60", "EXIF SubSecTimeOriginal": "78", "EXIF SubSecTimeDigitized": "78", "EXIF FocalPlaneXResolution": "5184000/907", "EXIF FocalPlaneYResolution": "691200/119", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard", "EXIF BodySerialNumber": "1570810983", "EXIF LensSpecification": "[28, 70, 0/0, 0/0]", "EXIF LensModel": "EF28-70mm f/3.5-4.5"}