Kingsgraphic

I saw a tip regarding sucking dust out with a vacuum cleaner. First attempt was unsuccessfull. However....making a tube from cardboard, about 8" loang, and fixing it snuggly to the extended lens...

Yep, exactly the same. I can save RAW files but never see them on the camera or via USB. take the card out and put it in the reader and they are there fine. {?}

If you check-out Nikons Imaging Products webpage, they state "...furthermore, connected parts and various points are securely sealed, achieving superior weather-resistant and dustprevention...