got mail ;-))
The water dots are gone. Sonax profiline glass polish is a great stuff for that. Just needs some time and time...
In my case they there not so massive, so no idea if it ever helps.
Here a pic how the lenses look like, very similar...
So i have filled the inner side of the zoom gear with some foam stuff, and now it runs the focus barrel.
- Pajjpen likes this