l#LensID'>Nikon LensID Values</a></td></tr>
<tr>
<td>LensID</td>
<td class=c>no</td>
<td class=n>Ricoh:LensFirmware</td>
<td>--&gt; <a href='Ricoh.html#LensID'>Ricoh LensID Values</a></td></tr>
<tr class=b>
<td>LensSpec</td>
<td class=c>no</td>
<td class=n>Nikon:Lens
  <br>Nikon:LensType</td>
<td>&nbsp;</td></tr>
<tr>
<td>LightValue</td>
<td class=c>no</td>
<td class=n>Aperture
  <br>ShutterSpeed
  <br>ISO</td>
<td><span class=s><span class=n>(calculated LV = 2 * log2(Aperture) - log2(ShutterSpeed) - log2(I