>I returned a couple D600 cameras for excess dust and a couple >for back focusing issues a few months ago. I just ordered >another one, and I am hoping it will be problem free. I >certainly don't mind cleaning the sensor occasionally to >remove dust that comes from external sources, but I don't want >to have to deal with oil or debris that is generated >internally. > >Rocky Rocky, I am with you, when you shot all day never change a lens and e shots get more and more dust its frustrating. I returned my 3 D600's last one I had was Christmas time. I love the camera otherwise. I am thinking about buying a 4th one soon.