exif: {"Image Make": "Canon", "Image Model": "Canon EOS 7D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Lightroom 4.4 (Windows)", "Image DateTime": "2013:11:12 00:13:05", "Image Artist": "Peter Wilkinson", "Image Copyright": "P Wilkinson", "Image ExifOffset": "258", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "874", "Thumbnail JPEGInterchangeFormatLength": "11194", "EXIF ExposureTime": "1/50", "EXIF FNumber": "4", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "400", "EXIF SensitivityType": "Recommended Exposure Index", "EXIF RecommendedExposureIndex": "400", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2013:11:11 20:18:10", "EXIF DateTimeDigitized": "2013:11:11 20:18:10", "EXIF ShutterSpeedValue": "352741/62500", "EXIF ApertureValue": "4", "EXIF ExposureBiasValue": "-2/3", "EXIF MaxApertureValue": "4", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "24", "EXIF SubSecTimeOriginal": "00", "EXIF SubSecTimeDigitized": "00", "EXIF FocalPlaneXResolution": "5184000/907", "EXIF FocalPlaneYResolution": "691200/119", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Manual", "EXIF SceneCaptureType": "Standard", "EXIF BodySerialNumber": "4161604996", "EXIF LensSpecification": "[24, 105, 0/0, 0/0]", "EXIF LensModel": "EF24-105mm f/4L IS USM"}