File:Handwritten letter by Descartes December 1638.jpg
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|Source||Own work by uploader, photographed at Musee des Lettres et Manuscripts, Paris|
|Exposure time||1/8 sec (0.125)|
|ISO speed rating||320|
|Date and time of data generation||20:18, 17 January 2007|
|Lens focal length||6.33 mm|
|Software used||Microsoft Windows Photo Gallery 6.0.6001.18000|
|File change date and time||15:19, 17 January 2009|
|Y and C positioning||Co-sited|
|Exposure Program||Normal program|
|Date and time of digitizing||20:18, 17 January 2007|
|Image compression mode||8|
|Maximum land aperture||3.625 APEX (f/3.51)|
|Flash||Flash did not fire, compulsory flash suppression|
|Custom image processing||Normal process|
|Exposure mode||Auto exposure|
|White balance||Auto white balance|
|Scene capture type||Standard|
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