How can I clean the dust on the ceiling?

I am always dizziness about the dust under the ceiling, wehre I could not clean it every time as it is too high. My friends tell me a duster, like this a href="http://www.hadbuy.com/stretch-feather-duster-p-3204.html" rel="nofollow"http://www.hadbuy.com/stretch-feather-du…/a I haven't use it before, so pls give me some advises.