exif: {"Image Make": "Canon", "Image Model": "Canon EOS 7D", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Lightroom 5.0 (Windows)", "Image DateTime": "2015:02:11 14:14:30", "Image Artist": "Party Lin", "Image ExifOffset": "228", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "828", "Thumbnail JPEGInterchangeFormatLength": "23721", "EXIF ExposureTime": "1/40", "EXIF FNumber": "14/5", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "400", "EXIF SensitivityType": "Recommended Exposure Index", "EXIF RecommendedExposureIndex": "400", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2013:07:06 12:36:53", "EXIF DateTimeDigitized": "2013:07:06 12:36:53", "EXIF ShutterSpeedValue": "665241/125000", "EXIF ApertureValue": "1485427/500000", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "3", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "24", "EXIF SubSecTimeOriginal": "95", "EXIF SubSecTimeDigitized": "95", "EXIF FocalPlaneXResolution": "3888000/907", "EXIF FocalPlaneYResolution": "518400/119", "EXIF FocalPlaneResolutionUnit": "2", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard", "EXIF BodySerialNumber": "0330423808", "EXIF LensSpecification": "[24, 70, 0/0, 0/0]", "EXIF LensModel": "24-70mm"}