optional, single

—

Within <exposurecompensation> the exposure compensation used for a certain photo is put into brackets. The value is given in EV (exposure values). Normally, a range of ±3 EV is used. For UDDF, this value has to be converted into a real number.

<imagedata>

—

<filmspeed>, <focallength>, <focusingdistance>, <imagedata>, <meteringmethod>, <shutterspeed>

<!-- exposure compensation + 1 1/3 aperture increments -->
<exposurecompensation>1.333333333</exposurecompensation>
                

<!-- exposure compensation -2/3 aperture increments -->
<exposurecompensation>-0.6666666667</exposurecompensation>