Nikon Shooter wrote: Not really. IF lenses had the same seals then but the non IF
lenses are pumping dirt in both when focusing and zooming.
Of course, with time, seals wear out too and may be replaced.
Neil Dulay wrote: So, I'm going to jump in here. How would you even get that out then?
Nikon Shooter wrote: The only solution is the workbench of a good specialised technician.