caption: A lab instructor is surrounded by middle school students during an experiment.
exif: {"Image Make": "SONY", "Image Model": "ILCE-7M2", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop Lightroom Classic 8.4 (Macintosh)", "Image DateTime": "2019:08:27 08:52:50", "Image ExifOffset": "212", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "928", "Thumbnail JPEGInterchangeFormatLength": "16944", "EXIF ExposureTime": "1/125", "EXIF FNumber": "16/5", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "1250", "EXIF SensitivityType": "Recommended Exposure Index", "EXIF RecommendedExposureIndex": "1250", "EXIF ExifVersion": "", "EXIF DateTimeOriginal": "2019:05:17 13:21:43", "EXIF DateTimeDigitized": "2019:05:17 13:21:43", "EXIF OffsetTime": "-05:00", "EXIF ShutterSpeedValue": "870723/125000", "EXIF ApertureValue": "209759/62500", "EXIF BrightnessValue": "1831/640", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "217/128", "EXIF MeteringMode": "Pattern", "EXIF LightSource": "Unknown", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "55", "EXIF ColorSpace": "sRGB", "EXIF FocalPlaneXResolution": "27447417/16384", "EXIF FocalPlaneYResolution": "27447417/16384", "EXIF FocalPlaneResolutionUnit": "3", "EXIF FileSource": "0", "EXIF SceneType": "0", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Auto", "EXIF DigitalZoomRatio": "1", "EXIF FocalLengthIn35mmFilm": "55", "EXIF SceneCaptureType": "Standard", "EXIF Contrast": "Normal", "EXIF Saturation": "Normal", "EXIF Sharpness": "Normal", "EXIF LensSpecification": "[55, 55, 9/5, 9/5]", "EXIF LensModel": "FE 55mm F1.8 ZA"}