File:John D. Alexander.jpg

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DescriptionJohn D. Alexander.jpg	English: Rear Adm. John D. Alexander
Date	21 April 2014, 08:34:00
Source	Rear Admiral John D. Alexander
Author	U.S. Navy

Licensing[edit]

	This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
	This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

PDMCreative Commons Public Domain Mark 1.0falsefalse

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	01:19, 17 November 2015		2,400 × 3,000 (2.23 MB)	Maliepa (talk \| contribs)	User created page with UploadWizard

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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D4
Exposure time	1/160 sec (0.00625)
F-number	f/20
ISO speed rating	50
Date and time of data generation	08:34, 21 April 2014
Lens focal length	52 mm
Width	2,456 px
Height	3,696 px
Bits per component	8 8 8
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop CS5.1 Macintosh
File change date and time	15:42, 22 April 2014
Y and C positioning	Co-sited
Exposure Program	Manual
Exif version	2.3
Date and time of digitizing	08:34, 21 April 2014
Meaning of each component	Y Cb Cr does not exist
Image compression mode	4
APEX shutter speed	7.321928
APEX aperture	8.643856
APEX exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
Subject distance	2 meters
Metering mode	Pattern
Light source	Flash
Flash	Flash fired, strobe return light not detected, compulsory flash firing
DateTime subseconds	8
DateTimeOriginal subseconds	8
DateTimeDigitized subseconds	8
Supported Flashpix version	1
Color space	sRGB
Sensing method	One-chip color area sensor
File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Normal process
Exposure mode	Manual exposure
White balance	Manual white balance
Digital zoom ratio	1
Focal length in 35 mm film	52 mm
Scene capture type	Standard
Scene control	None
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
GPS tag version	2.3.0.0
Serial number of camera	2030960
Lens used	24.0-70.0 mm f/2.8
Date metadata was last modified	10:42, 22 April 2014
Unique ID of original document	76916778E14A7A1BEC87A50AAAB4717B
IIM version	4

File:John D. Alexander.jpg

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John D. Alexander

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21 April 2014

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Nikon D4

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