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114 lines
4.4 KiB
HTML
114 lines
4.4 KiB
HTML
21 years ago
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<head>
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<title>Exif MakerNote Formats and Specifications</title>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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</head>
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<body bgcolor="#FFFFFF" text="#000000">
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<h1>Exif MakerNote Formats and Specifications</h1>
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<p>The following table summarizes the structures of the MakerNote field used by
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different vendors.</p>
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<table width="100%" border="1">
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<tr>
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<td width="6%"><b>Make</b></td>
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<td width="12%"><b>Models</b></td>
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<td width="40%"><b>Format</b></td>
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<td width="10%"><b>Specifications</b></td>
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<td width="32%"><b>Remarks</b></td>
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</tr>
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<tr>
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<td width="6%">Canon</td>
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<td width="12%"> </td>
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<td width="40%">IFD</td>
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<td width="10%"> <a href="#R2">[2]</a></td>
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<td width="32%"> </td>
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</tr>
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<tr>
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<td width="6%">Casio</td>
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<td width="12%">
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<p>QV-3000EX, QV-2000UX, QV-8000SX</p>
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</td>
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<td width="40%">IFD</td>
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<td width="10%"><a href="#R4">[4]</a></td>
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<td width="32%">"Early" versions of QV-2000UX and QV-8000SX only
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have 4 bytes in the MakerNote field.</td>
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</tr>
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<tr>
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<td width="6%">Fujifilm</td>
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<td width="12%"> </td>
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<td width="40%">IFD; starts with string "FUJIFILM" and an offset
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to the first IFD, offsets are relative to the beginning of the MakerNote</td>
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<td width="10%"><a href="#R1">[1]</a></td>
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<td width="32%">Fujifilm's Exif data uses Motorola alignment, but the MakerNote
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uses Intel alignment</td>
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</tr>
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<tr>
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<td width="6%">Minolta</td>
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<td width="12%"> </td>
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<td width="40%">IFD</td>
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<td width="10%"><a href="#R5">[5]</a></td>
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<td width="32%">MakerNote numbers are always stored in Motorola/Macintosh
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style</td>
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</tr>
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<tr>
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<td width="6%">Nikon</td>
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<td width="12%">E990, D1</td>
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<td width="40%">IFD (from offset 0x00)</td>
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<td width="10%"><a href="#R3">[3]</a></td>
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<td width="32%"> </td>
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</tr>
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<tr>
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<td width="6%">Nikon</td>
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<td width="12%">E700, E800, E900, E900S, E910, E950</td>
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<td width="40%">IFD; starts with string "Nikon", IFD from offset
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0x08</td>
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<td width="10%"><a href="#R1">[1]</a></td>
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<td width="32%"> </td>
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</tr>
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<tr>
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<td width="6%">Olympus </td>
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<td width="12%">D450Z(C-920Z)</td>
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<td width="40%">IFD; starts with string "OLYMP", IFD from offset
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0x07</td>
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<td width="10%"><a href="#R1">[1]</a></td>
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<td width="32%"> </td>
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</tr>
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<tr>
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<td width="6%">Sanyo</td>
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<td width="12%">DSC-MZ2</td>
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<td width="40%">IFD</td>
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<td width="10%"><a href="#R6">[6]</a></td>
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<td width="32%">Tag 0x00ff contains the offset to the start of the MakerNote(?).
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The semantics of the value is different in TIFF and JPEG images</td>
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</tr>
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<tr>
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<td width="6%">Sigma, Foveon</td>
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<td width="12%"> </td>
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<td width="40%">IFD; Starts with an 8-byte ID string "SIGMA\0\0\0" or
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"FOVEON\0\0"</td>
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<td width="10%"><a href="#R7">[7]</a></td>
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<td width="32%"> </td>
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</tr>
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</table>
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<p><a href="http://www.exif.org/">Exif.org</a> has another table with similar
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info and sample pictures: <a href="http://www.exif.org/samples.html">Digital
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Camera Sample Images</a>. According to this source, (at least some) Ricoh and
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Kodak cameras do not write the MakerNote in IFD format.</p>
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<h2>References:</h2>
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<p>[1]<a name="R1"></a> <a href="http://park2.wakwak.com/%7Etsuruzoh/Computer/Digicams/exif-e.html">Exif
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file format</a> by TsuruZoh Tachibanaya<br>
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[2]<a name="R2"></a> <a href="http://www.burren.cx/david/canon.html">EXIF MakerNote
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of Canon</a> by David Burren<br>
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[3]<a name="R3"></a> <a href="http://www.tawbaware.com/990exif.htm">MakerNote
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EXIF Tag of the Nikon 990</a> by Max Lyons<br>
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[4]<a name="R4"></a> <a href="http://www.dicasoft.de/casiomn.htm">"MakerNote"
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Exif tag of Casio</a> by Eckhard Henkel<br>
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[5]<a name="R5"></a> <a href="http://www.dalibor.cz/minolta/makernote.htm">Minolta
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MakerNote</a> by Dalibor Jeline<br>
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[6]<a name="R6"></a> <a href="http://www.exif.org/makernotes/SanyoMakerNote.html">Sanyo
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MakerNote</a> by John Hawkins<br>
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[7]<a name="R7"></a> <a href="http://www.x3f.info/technotes/FileDocs/MakerNoteDoc.html">SIGMA and FOVEON EXIF MakerNote Documentation</a> by Foveon</p>
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<p> </p>
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</body>
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</html>
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