More detail about redundant.

Taken on
April 18, 2004 at 10.23pm CEST

Posted to Flickr
July 23, 2006 at 11.04pm CEST

What is EXIF data?

Almost all new digital cameras save JPEG (jpg) files with EXIF (Exchangeable Image File) data. Camera settings and scene information are recorded by the camera into the image file. Examples of stored information are shutter speed, date and time, focal length, exposure compensation, metering pattern and if a flash was used.

Source: Digicamhelp.

Camera:	Canon Digital IXUS 40
Exposure:	0.004 sec (1/250)
Aperture:	f/4.9
Focal Length:	17.4 mm
Exposure Bias:	0/3 EV
Flash:	Flash did not fire, auto mode

Orientation:	Horizontal (normal)
X-Resolution:	72 dpi
Y-Resolution:	72 dpi
Software:	Adobe Photoshop CS2 Windows
Date and Time:	2006:07:23 22:32:47
YCbCr Positioning:	Centered
Date and Time (Original):	2004:04:18 22:23:05
Date and Time (Digitized):	2004:04:18 22:23:05
Compressed Bits per Pixel:	5 bits
Shutter Speed:	255/32
Maximum Lens Aperture:	147/32
Metering Mode:	Pattern
Color Space:	sRGB
Focal Plane X-Resolution:	10142.857 dpi
Focal Plane Y-Resolution:	10142.857 dpi
Sensing Method:	One-chip colour area sensor
Digital Zoom Ratio:	2272/2272
Compression:	JPEG
Image Width:	1136 pixels
Image Height:	852 pixels

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