File:William Herschel's Mirror-polisher.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	20:34, 18 May 2012		2,806 × 2,538 (1.8 MB)	commons>Mike Peel	{{User:Mike Peel/License \| desc = {{en\|William Herschel's Mirror-polisher, C. 1790. On display in the Science Museum, London.}} \| date = 23 August 2009 }} Category:Wilhelm Herschel [[Category:Scientific instruments in the Science Museum (L...

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Camera manufacturer	Canon
Camera model	Canon EOS 400D DIGITAL
Exposure time	1/60 sec (0.016666666666667)
F Number	f/4
ISO speed rating	400
Date and time of data generation	11:46, 23 August 2009
Lens focal length	25 mm
Image title	William Herschel's Mirror-polisher, C. 1790
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Aperture 3.2.3
File change date and time	11:46, 23 August 2009
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	11:46, 23 August 2009
Meaning of each component	does not exist does not exist does not exist Y
APEX shutter speed	5.9068908941756
APEX aperture	4
APEX exposure bias	0
Maximum land aperture	4 APEX (f/4)
Metering mode	Pattern
Flash	Flash fired, auto mode
Supported Flashpix version	1
Color space	sRGB
Focal plane X resolution	4,433.2954545455
Focal plane Y resolution	4,453.6086956522
Focal plane resolution unit	inches
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Scene capture type	Standard
IIM version	2