Within <shutterspeed> the shutter speed in seconds used for a photo is put into brackets.
<aperture>, <date>, <exposurecompensation>, <filmspeed>, <focallength>, <focusingdistance>, <image>, <imagedata>, <meteringmethod>, <time>
(see also <image>)
<!-- shutter speed 2 s --> <shutterspeed>2.0</shutterspeed>
<!-- shutter speed 1/125 s --> <shutterspeed>0.008</shutterspeed>
<!-- shutter speed 1/2000 s --> <shutterspeed>0.0005</shutterspeed>