Quote:
Originally Posted by TrevorW
A further example of this is one of the first colour pictures shown was fuzzy, ,excuse given, was that the lens was covered with dust, wouldn't you think to make the lens self cleaning, especially in this type of environment.
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It did have a dust cap. image on the left is with it on, right is with it off
http://www.nasa.gov/mission_pages/ms.../pia16005.html
"The only other instrument on Curiosity with a dust cover is the Mars Hand Lens Imager (or MAHLI), located on the rover's arm. In this case, the dust cover is not removed but will be opened when needed. This way, the instrument is protected from dust that may be generated from other tools on the rover's arm, in addition to wind-blown dust"