exif: {"Image Make": "Canon", "Image Model": "Canon EOS 7D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Lightroom 4.3 (Windows)", "Image DateTime": "2013:02:16 22:22:20", "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": "870", "Thumbnail JPEGInterchangeFormatLength": "4966", "EXIF ExposureTime": "1/100", "EXIF FNumber": "10", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "200", "EXIF SensitivityType": "Recommended Exposure Index", "EXIF RecommendedExposureIndex": "200", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2013:02:16 15:49:54", "EXIF DateTimeDigitized": "2013:02:16 15:49:54", "EXIF ShutterSpeedValue": "415241/62500", "EXIF ApertureValue": "415241/62500", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "4", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "40", "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": "Auto", "EXIF SceneCaptureType": "Standard", "EXIF BodySerialNumber": "4161604996", "EXIF LensSpecification": "[17, 40, 0/0, 0/0]", "EXIF LensModel": "EF17-40mm f/4L USM"}