File:330-PSA-168-64-2 (22766907632).jpg

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Description330-PSA-168-64-2 (22766907632).jpg	330-PSA-168-64-2: U.S. Naval Station, Bermuda, July 18, 1964. Aquanaut Robert A. Barth securing the entry hatch which leads to the oxygen-helium atmosphere living quarters of the Sealab just prior to the lowering operation which began on July 18, 1964, off the Bermuda coast. (2015/11/03).
Date	3 November 2015, 11:30
Source	330-PSA-168-64-2
Author	National Museum of the U.S. Navy

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This image was originally posted to Flickr by Photograph Curator at https://flickr.com/photos/127906254@N06/22766907632 (archive). It was reviewed on 10 July 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark.

10 July 2018

	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	05:04, 10 July 2018		2,844 × 2,204 (1,014 KB)	Hiàn (alt) (talk \| contribs)	Transferred from Flickr via #flickr2commons

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User:OgreBot/Watercraft/2018 July 10/Overflow 1

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- Robert A. Barth

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Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D80
Exposure time	1/250 sec (0.004)
F-number	f/8
ISO speed rating	1,600
Date and time of data generation	11:30, 3 November 2015
Lens focal length	20 mm
Width	3,872 px
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Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop CS6 (Windows)
File change date and time	07:00, 4 November 2015
Y and C positioning	Co-sited
Exposure Program	Not defined
Exif version	2.21
Date and time of digitizing	11:30, 3 November 2015
Meaning of each component	Y Cb Cr does not exist
Image compression mode	4
APEX shutter speed	7.965784
APEX aperture	6
APEX exposure bias	0
Maximum land aperture	4 APEX (f/4)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
DateTime subseconds	50
DateTimeOriginal subseconds	50
DateTimeDigitized subseconds	50
Supported Flashpix version	1
Color space	sRGB
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File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Normal process
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Digital zoom ratio	1
Focal length in 35 mm film	30 mm
Scene capture type	Standard
Scene control	High gain up
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown
Serial number of camera	3073408
Lens used	12.0-24.0 mm f/4.0
Date metadata was last modified	02:00, 4 November 2015
Unique ID of original document	88C574B1380081CA88A7E7BEFAC66AB8

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File:330-PSA-168-64-2 (22766907632).jpg

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