File:Black Chamber cryptanalytic work sheet for solving Japanese diplomatic cipher, 1919 - National Cryptologic Museum - DSC07698.JPG

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	11:44, 6 July 2013		2,665 × 4,168 (4.03 MB)	Daderot	User created page with UploadWizard

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Camera manufacturer	SONY
Camera model	DSC-H55
Author	Picasa
Exposure time	1/25 sec (0.04)
F Number	f/4.5
ISO speed rating	400
Date and time of data generation	10:03, 29 March 2013
Lens focal length	7.58 mm
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Picasa
File change date and time	07:21, 6 July 2013
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	10:03, 29 March 2013
Meaning of each component	Y Cb Cr does not exist
Image compression mode	4
APEX exposure bias	0
Maximum land aperture	3.625 APEX (f/3.51)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire, compulsory flash suppression
Supported Flashpix version	1
Color space	sRGB
File source	Digital still camera
Scene type	A directly photographed image
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Unique image ID	82c8ae4a02b03bfdf61547647b6d5177
IIM version	4