File:ProposedDreyerCalculator.jpg

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Photographed from document BR 1534 (?) in Admiralty Library, Portsmouth.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	14:20, 9 August 2009		3,000 × 2,127 (2.61 MB)	Tone (talk \| contribs)	Photographed from document BR 1534 (?) in Admiralty Library, Portsmouth.

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Camera manufacturer	Canon
Camera model	Canon PowerShot S500
Exposure time	1/60 sec (0.016666666666667)
F Number	f/2.8
Date and time of data generation	05:28, 9 June 2005
Lens focal length	7.40625 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Adobe Photoshop CS Windows
File change date and time	10:30, 10 August 2005
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	05:28, 9 June 2005
Image compression mode	3
APEX shutter speed	5.90625
APEX aperture	2.96875
APEX exposure bias	0
Maximum land aperture	2.96875 APEX (f/2.8)
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Color space	sRGB
Focal plane X resolution	9,159.0106007067
Focal plane Y resolution	9,169.8113207547
Focal plane resolution unit	inches
Sensing method	One-chip color area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Scene capture type	Standard