Yep. stacked screw on filters will do it, especially at the wide end of your lens zoom range. You can either remove the filter(s), or zoom a bit to stop it occuring
"It is one thing to make a picture of what a person looks like, it is another thing to make a portrait of who they are" - Paul Caponigro
Constructive Critique of my photographs is always appreciated
Nikon, etc! RICK My Photography