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More detail about Representing IA

Representing IA by halliew

Taken on
April 13, 2008 at 8.22pm EDT

Posted to Flickr
April 15, 2008 at 4.37pm EDT



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.

spacer image
Camera: Canon PowerShot SD600
Exposure: 0.017 sec (1/60)
Aperture: f/5.6
Focal Length: 5.8 mm
Exposure Bias: 0/3 EV
Flash: Flash fired, auto mode

Orientation: Horizontal (normal)
X-Resolution: 180 dpi
Y-Resolution: 180 dpi
Date and Time: 2008:04:13 20:22:58
YCbCr Positioning: Centered
Date and Time (Original): 2008:04:13 20:22:58
Date and Time (Digitized): 2008:04:13 20:22:58
Compressed Bits per Pixel: 3 bits
Shutter Speed: 189/32
Maximum Lens Aperture: 95/32
Metering Mode: Pattern
Color Space: sRGB
Focal Plane X-Resolution: 12515.556 dpi
Focal Plane Y-Resolution: 12497.041 dpi
Sensing Method: One-chip colour area sensor
Digital Zoom Ratio: 2816/2816
Compression: JPEG
Image Type: IMG:PowerShot SD600 JPEG
Image Number: 1003643
Model ID: 26673152
Tag::Canon::0x0013: 0, 0, 0, 0
Tag::Canon::0x0018: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
Tag::Canon::0x001D: 32, 1, 0, 2, 2, 2, 2, 0, 0, 0, 0, 39, 0, 0, 0, 0
Tag::Canon::0x001E: 16777472
Tag::Canon::0x001F: 138, 1, 0, 4, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
Tag::Canon::0x0022: 416, 2, 1, 16, 8, 24, 16, 640, 480, 65232, 65306, 304, 230, 2, 8, 384, 0, 1536, 2055, 2569, 3083, 3340, 3085, 2828, 10, 0, 0, 0, 0, 1792, 2569, 3083, 3597, 3855, 3855, 3342, 12, 0, 0, 0, 0, 2304, 2826, 3853, 4624, 4883, 4883, 4114, 15, 0, 0, 0, 0, 2560, 3339, 4367, 5651, 6680, 6170, 4886, 17, 0, 0, 0, 0, 0, 3852, 5137, 7192, 8736, 8226, 6172, 20, 0, 0, 0, 0, 0, 4110, 6163, 9246, 10535, 10025, 7716, 24, 0, 0, 0, 0, 0, 4352, 6933, 10275, 11564, 11309, 9000, 27, 0, 0, 0, 0, 0, 4608, 7702, 10789, 12078, 11823, 9514, 30, 0, 0, 0, 0, 0, 0, 7702, 10789, 12078, 11823, 9514, 30, 0, 0, 0, 0, 0, 0, 6912, 10275, 11564, 11309, 9000, 27, 0, 0, 0, 0, 0, 0, 0, 9246, 10535, 10025, 7716, 24, 0, 0, 0, 0, 0, 0, 0, 7192, 8736, 8226, 6172, 20, 0, 0, 0, 0, 0, 0, 0, 5632, 6680, 6170, 4886, 17, 0, 0, 0, 0, 0, 0, 0, 0, 4883, 4883, 4114, 15, 0, 0, 0, 0, 0, 0, 0, 0, 3855, 3855, 3342, 12, 0, 0, 0, 0, 0, 0, 0, 0, 3328, 3085, 12, 0, 0, 0, 0
Image Width: 2816 pixels
Image Height: 2112 pixels
Macro Mode: Macro
Image Quality: Fine
Canon Flash Mode: Auto
Continuous Drive: Single
Focus Mode: Single
Canon Image Size: Large
Easy Mode: Full auto
Contrast: Normal
Saturation: Normal
Sharpness: Normal
Camera ISO: Auto
Metering Mode: Evaluative
Focus Range: Macro
AF Point: Auto AF point selection
Canon Exposure Mode: Easy
Lens: 6 - 17mm
Max Aperture: 95
Min Aperture: 159
AE Setting: Normal AE
Zoom Source Width: 2816
Zoom Target Width: 2816
Focal Type: Zoom
Scaled Focal Length: 5800
Focal Plane Size: 230 x 173
ISO: 100
Measured LV: 65449
Target Aperture: 5.6568542494924
Target Exposure Time: 0.016674068760575
Flash Guide Number: 2.78125
Focus Distance Upper: 0.18
F Number: 5.7
Camera Type: Compact
Auto Rotate: None
Exposure Time: 4294967200
Scaled Focal Length: 12
AF Points Used: Center
Image Width: 2816
Image Height: 2112
Image Width (As shot): 1408
Image Height (As shot): 264

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