File:IGI-burn-through-UVA-illumination.JPG

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Iron gall ink showing significant burn through under UVA illumination. Photo by Katherine Kelly. May 2017.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:52, 18 January 2018		3,250 × 2,167 (1.65 MB)	Kkelly (talk \| contribs)	Iron gall ink showing significant burn through under UVA illumination. Photo by Katherine Kelly. May 2017.

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Camera manufacturer	Apple
Camera model	iPhone 6
Exposure time	1/15 sec (0.066666666666667)
F Number	f/2.2
ISO speed rating	1,000
Date and time of data generation	16:27, 4 May 2017
Lens focal length	4.15 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Adobe Photoshop Elements 10.0 Windows
File change date and time	16:35, 18 January 2018
Y and C positioning	Centered
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	16:27, 4 May 2017
Meaning of each component	Y Cb Cr does not exist
APEX shutter speed	3.9070567986231
APEX aperture	2.2750071245369
APEX brightness	−2.3577154308617
APEX exposure bias	0
Metering mode	Pattern
Flash	Flash did not fire, auto mode
DateTimeOriginal subseconds	959
DateTimeDigitized subseconds	959
Supported Flashpix version	1
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
Supported Flashpix version	1
Image width	3,250 px
Image height	2,167 px
Subject area	1,631 1,223 1,795 1,077
Date metadata was last modified	11:35, 18 January 2018
Unique ID of original document	xmp.did:C299786D97FCE711864AF13C85587E9A