trixStructure for all tracks with a
non-zero image size)</span></span></td></tr>
<tr>
<td>RunTimeSincePowerUp</td>
<td class=c>no</td>
<td class=n>Apple:RunTimeValue
  <br>Apple:RunTimeScale</td>
<td>&nbsp;</td></tr>
<tr class=b>
<td>ScaleFactor35efl</td>
<td class=c>no</td>
<td class=n>FocalLength
  <br>FocalLengthIn35mmFormat
  <br>Composite:DigitalZoom
  <br>FocalPlaneDiagonal
  <br>SensorSize
  <br>FocalPlaneXSize
  <br>FocalPlaneYSize
  <br>FocalPlaneResolutionUnit
  <br>FocalPlaneXResolution
  <br>Foc