Photo / Exif

Mad Scientists in Summer School 2012

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.

Dates

Taken on June 26, 2012 at 11.09AM PDT
Posted to Flickr July 3, 2012 at 9.26AM PDT

Exif data

Camera Canon EOS 50D
Exposure 0.002 sec (1/500)
Aperture f/7.1
Focal Length 17 mm
ISO Speed 1600
Exposure Bias -1/3 EV
Flash Off, Did not fire
Orientation Horizontal (normal)
X-Resolution 72 dpi
Y-Resolution 72 dpi
Date and Time (Modified) 2012:06:26 11:09:18
YCbCr Positioning Co-sited
Exposure Program Aperture-priority AE
Date and Time (Original) 2012:06:26 11:09:18
Date and Time (Digitized) 2012:06:26 11:09:18
Metering Mode Center-weighted average
Sub Sec Time 47
Sub Sec Time Original 47
Sub Sec Time Digitized 47
Color Space sRGB
Focal Plane X-Resolution 5315.436242 dpi
Focal Plane Y-Resolution 5306.532663 dpi
Custom Rendered Normal
Exposure Mode Auto
White Balance Auto
Scene Capture Type Standard
Macro Mode Normal
Self Timer Off
Quality Fine
Canon Flash Mode Off
Continuous Drive Single
Focus Mode One-shot AF
Record Mode JPEG
Canon Image Size Large
Easy Mode Manual
Digital Zoom None
Contrast Normal
Saturation Normal
Focus Range Not Known
Canon Exposure Mode Aperture-priority AE
Lens Type Canon EF 17-40mm f/4L
Short Focal 17 mm
Focal Units 1/mm
Max Aperture 4
Min Aperture 23
Flash Activity 0
Flash Bits (none)
Zoom Source Width 0
Zoom Target Width 0
Manual Flash Output n/a
Color Tone Normal
Auto ISO 100
Base ISO 1600
Measured EV 5.50
Target Aperture 7.1
Target Exposure Time 1/512
White Balance Auto
Slow Shutter None
Sequence Number 0
Optical Zoom Code n/a
Flash Guide Number 0
Flash Exposure Comp 0
Auto Exposure Bracketing Off
AEBBracket Value 0
Control Mode Camera Local Control
Measured EV2 5.75
Bulb Duration 0
Camera Type EOS High-end
NDFilter Unknown (-1)
Canon Firmware Version Firmware Version 1.0.7
Serial Number 1320711142
Highlight Tone Priority Off
Camera Temperature 33 C
Camera Orientation Horizontal (normal)
Focus Distance Upper 655.35
Focus Distance Lower 6.01
Color Temperature 5200
Picture Style User Def. 2
High ISONoise Reduction Standard
Auto Lighting Optimizer Standard
Firmware Version 1.0.7
File Index 7412
Directory Index 100
Canon Model ID EOS 50D
AFMode Multi-point AF
Num AFPoints 9
Valid AFPoints 9
AFArea Widths 99 80 80 80 118 80 80 80 99
AFArea Heights 79 98 98 98 120 98 98 98 79
AFPoints Selected 0,1,2,3,4,5,6,7,8
Original Decision Data Offset 0
Bracket Mode Off
Bracket Value 0
Bracket Shot Number 0
Raw Jpg Size Large
WBBracket Mode Off
WBBracket Value AB 0
WBBracket Value GM 0
Live View Shooting Off
Flash Exposure Lock Off
Lens Model EF17-40mm f/4L USM
Internal Serial Number P0557316
Dust Removal Data (Binary data 1024 bytes, use -b option to extract)
Tone Curve Standard
Sharpness 3
Sharpness Frequency n/a
Sensor Red Level 0
Sensor Blue Level 0
White Balance Red 0
White Balance Blue 0
Digital Gain 0
WBShift AB 0
WBShift GM 0
Measured RGGB 501 1024 1024 497
Color Space sRGB
VRDOffset 0
Sensor Width 4832 (72-4823 used)
Sensor Height 3228 (56-3223 used)
Black Mask Left Border 0
Black Mask Top Border 0
Black Mask Right Border 0
Black Mask Bottom Border 0
Color Data Version 6 (50D/5DmkII)
White Balance RGGB Levels 2131 1024 1024 1417
Color Temperature 5212
WB_ RGGBLevels Measured 1764 1020 1027 1557
Color Temp Measured 4137
Raw Measured RGGB 27953 60218 59921 28016
AFMicro Adj Active Unknown (2)
AFMicro Adj Value 0
Peripheral Lighting On
Peripheral Lighting Value 50
Peripheral Lighting Setting On
Exposure Level Increments 1/3 Stop
ISOSpeed Increments 1/3 Stop
ISOExpansion Off
AEBAuto Cancel On
AEBSequence 0,-,+
Safety Shift Disable
Flash Sync Speed Av Auto
High ISONoise Reduction Standard
Highlight Tone Priority Disable
Auto Lighting Optimizer Standard
Lens Drive No AF Focus search off
Lens AFStop Button AF stop
AFPoint Selection Method Normal
Superimposed Display On
AFAssist Beam Emits
Mirror Lockup Disable
AFMicroadjustment Adjust by lens; 0; 0; 0; 0
Shutter Button AFOn Button Metering + AF start
AFOn AELock Button Switch Disable
Set Button When Shooting Normal (disabled)
Dial Direction Tv Av Normal
Focusing Screen Ef-A
Add Original Decision Data Off
Assign Func Button LCD brightness
Compression JPEG (old-style)