Photo / Exif

QCon Tokyo 2009, 東京コンファレンスセンター

What is Exif data?

Exif data is a record of the settings a camera used to take a photo or video. This information is embedded into the files the camera saves, and we read and display it here.


Taken on April 9, 2009 at 1.55PM PDT
Posted to Flickr April 11, 2009 at 5.27AM PDT

Exif data

Camera Nikon D300
Exposure 0.025 sec (1/40)
Aperture f/6.3
Focal Length 42 mm
ISO Speed 800
Exposure Bias 0 EV
Flash No Flash
X-Resolution 240 dpi
Y-Resolution 240 dpi
Orientation Horizontal (normal)
Software Adobe Photoshop CS4 Windows
Date and Time (Modified) 2009:04:11 17:18:59
Exposure Program Shutter speed priority AE
Date and Time (Original) 2009:04:09 13:55:31.82+09:00
Date and Time (Digitized) 2009:04:09 13:55:31
Max Aperture Value 4.4
Metering Mode Spot
Light Source Tungsten
Sub Sec Time 82
Sub Sec Time Original 82
Sub Sec Time Digitized 82
Color Space Uncalibrated
Sensing Method One-chip color area
CFAPattern [Red,Green][Green,Blue]
Custom Rendered Normal
Exposure Mode Auto
White Balance Manual
Digital Zoom Ratio 1
Focal Length (35mm format) 63 mm
Scene Capture Type Standard
Gain Control Low gain up
Contrast Normal
Saturation Normal
Sharpness Normal
Subject Distance Range Unknown
Compression JPEG (old-style)
Global Angle 30
Global Altitude 30
Photoshop Quality 12
Photoshop Format Standard
Progressive Scans 3 Scans
XMPToolkit Adobe XMP Core 4.2.2-c063 53.352624, 2008/07/30-18:12:18
Orientation Horizontal (normal)
Creator Tool Ver.1.10
Rating 0
Metadata Date 2009:04:11 17:18:59+09:00
Lens 24.0-120.0 mm f/3.5-5.6
Image Number 31809
Format image/jpeg
Color Mode 3
ICCProfile Name Adobe RGB (1998)
Original Document ID xmp.did:178CCF4D7026DE11AC44808F372B7BB6
History Action saved
History Instance ID xmp.iid:178CCF4D7026DE11AC44808F372B7BB6
History When 2009:04:11 17:18:59+09:00
History Software Agent Adobe Photoshop CS4 Windows
History Changed /
History Parameters from image/tiff to image/jpeg
Derived From Original Document ID xmp.did:178CCF4D7026DE11AC44808F372B7BB6
Color Transform YCbCr
Flash Return No return detection
Flash Mode Unknown
Flash Function False
Flash Red Eye Mode False