File:ProposedDreyerCalculator.jpg

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Original file ‎(3,000 × 2,127 pixels, file size: 2.61 MB, MIME type: image/jpeg)

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

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current10:20, 9 August 2009Thumbnail for version as of 10:20, 9 August 20093,000 × 2,127 (2.61 MB)Tone (Talk | contribs)Photographed from document BR 1534 (?) in Admiralty Library, Portsmouth.
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Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.
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
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