File:Arthur Benjamin Washington 2009.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:19, 9 January 2009		3,264 × 2,448 (2.06 MB)	commons>AllenS	{{Information \|Description={{en\|1=Arthur T. Benjamin, professor of mathematics at Harvey Mudd College. Photographed at the Joint Mathematics Meetings in Washington, DC, January 2009.{{DEFAULTSORT:Benjamin, Arthur T.}}}} \|Source=Own work \|Author=[[User:All

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Camera manufacturer	Canon
Camera model	Canon PowerShot A590 IS
Exposure time	1/25 sec (0.04)
F Number	f/2.6
ISO speed rating	200
Date and time of data generation	13:30, 6 January 2009
Lens focal length	5.8 mm
Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
File change date and time	13:30, 6 January 2009
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	13:30, 6 January 2009
Image compression mode	3
APEX shutter speed	4.65625
APEX aperture	2.75
APEX exposure bias	0
Maximum land aperture	2.75 APEX (f/2.59)
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Color space	sRGB
Focal plane X resolution	14,506.666666667
Focal plane Y resolution	14,485.207100592
Focal plane resolution unit	inches
Sensing method	One-chip color area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard