File:IGI-cracking-transmitted.jpg

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Deteriorated iron gall ink on paper, seen from the verso under transmitted light and exhibiting burn through and cracking. Photo by Katherine Kelly. February 2017.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	18:07, 1 March 2018		2,448 × 3,264 (2 MB)	Kkelly (Talk \| contribs)	Deteriorated iron gall ink on paper, seen from the verso under transmitted light and exhibiting burn through and cracking. Photo by Katherine Kelly. February 2017.

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Camera manufacturer	Apple
Camera model	iPhone 6
Exposure time	1/60 sec (0.016666666666667)
F Number	f/2.2
ISO speed rating	40
Date and time of data generation	10:39, 8 February 2017
Lens focal length	4.15 mm
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	11:03, 29 March 2017
Y and C positioning	Centered
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	10:39, 8 February 2017
Meaning of each component	Y Cb Cr does not exist
APEX shutter speed	5.9087677725118
APEX aperture	2.2750071245369
APEX brightness	5.3082039911308
APEX exposure bias	0
Metering mode	Pattern
Flash	Flash did not fire, auto mode
DateTimeOriginal subseconds	576
DateTimeDigitized subseconds	576
Supported Flashpix version	0,100
Color space	sRGB
Sensing method	One-chip color area sensor
Scene type	A directly photographed image
Exposure mode	Auto exposure
White balance	Auto white balance
Focal length in 35 mm film	29 mm
Scene capture type	Standard