File:M Armstrong-conference.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:11, 29 June 2020		685 × 514 (469 KB)	Sunvalley (talk \| contribs)	from: https://armstrongeconomics.wordpress.com/

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Camera manufacturer	Apple
Camera model	iPhone 4S
F Number	f/2.4
ISO speed rating	400
Date and time of data generation	12:56, 16 March 2013
Lens focal length	4.28 mm
Latitude	39° 57′ 15.6″ N
Longitude	75° 9′ 51.6″ W
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Camera+ 3.7.1
File change date and time	12:56, 16 March 2013
Y and C positioning	Centered
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	12:56, 16 March 2013
Meaning of each component	Y Cb Cr does not exist
APEX shutter speed	4.3219284603421
APEX aperture	2.5260691271236
APEX brightness	-0.035037040488282
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Supported Flashpix version	0,100
Color space	sRGB
Sensing method	One-chip color area sensor
Scene type	49
Exposure mode	Auto exposure
White balance	Auto white balance
Focal length in 35 mm film	35 mm
Scene capture type	Standard
Sharpness	Normal