File:Unknown autograph.jpg

Original file (1,936 × 2,592 pixels, file size: 2.17 MB, MIME type: image/jpeg)

Summary

File information
Description	An unknown autograph received many years ago.
Source	Own work
Date	Unknown
Author	Photo Own work ; Autograph unknown
Permission (Reusing this file)	See below.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	13:20, 6 October 2012		1,936 × 2,592 (2.17 MB)	Ks0stm (talk \| contribs)	Uploading a public-domain item using File Upload Wizard

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Camera manufacturer	Apple
Camera model	iPhone 4
Exposure time	1/15 sec (0.066666666666667)
F-number	f/2.8
ISO speed rating	250
Date and time of data generation	08:08, 6 October 2012
Lens focal length	3.85 mm
Latitude	38° 50′ 22.2″ N
Longitude	97° 34′ 4.8″ W
Altitude	387 meters above sea level
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Microsoft Windows Photo Viewer 6.1.7600.16385
File change date and time	08:11, 6 October 2012
Y and C positioning	Centered
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	08:08, 6 October 2012
Meaning of each component	Y Cb Cr does not exist
Shutter speed	3.9068906605923
APEX aperture	2.970853573907
APEX brightness	1.1380971497391
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Supported Flashpix version	1
Color space	sRGB
Sensing method	One-chip color area sensor
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard
Sharpness	Hard
GPS time (atomic clock)	13:08:0.09