5000 pictures, no dust!
I've had mine for 5 months, taken 8000 images, changed lenses many times between my 8 or so lenses, and dust spots come and go. Fortunately the dust reduction system has apparently removed everything so far. I've never had to use my Giotto rocket yet.
|Douaumont Ossuary by Eric 54-BNF|
from Armistice Day
|Silhouette at sunset by Jill Hancock|
from Portrait Lens (around 80mm or equivalent - please check the full rules)