After 6 years of continuous use without any sensor clean up, I decided to trust the comments of fellows nikonians about the ease of use of the Eyelead sensor stick.
After taking a picture of the blue sky at f22, Lightroom revealed some dust ....
Develop section > spot removal > check the visualize spots checkbox
I've rarely seen any dust on my pictures so far, and was always afraid of wet cleaning.
This video changed my view : https://www.youtube.com/watch?v=TXV1f-FOC80
I received the Eyelead Stick this morning and decided to use immediately.
5 minutes later, mostly stress free (beware of grease ?? around the sensor), I managed to get this :
Not perfect, but much cleaner than before.