ShutterCurtainSync</td>
<td><span class=s>0 = 1st-curtain sync
  <br>1 = 2nd-curtain sync</span></td></tr>
<tr>
<td>ShutterSpeed</td>
<td class=c>no</td>
<td class=n>ExposureTime
  <br>ShutterSpeedValue
  <br>BulbDuration</td>
<td>&nbsp;</td></tr>
<tr class=b>
<td>SubSecCreateDate</td>
<td class=c>yes</td>
<td class=n>EXIF:CreateDate
  <br>SubSecTimeDigitized
  <br>OffsetTimeDigitized</td>
<td>&nbsp;</td></tr>
<tr>
<td>SubSecDateTimeOriginal</td>
<td class=c>yes</td>
<td class=n>EXIF:DateTimeOriginal
  <br>