I use the P2 primarily for engraving tumblers. For 30 and 40 ounce tumblers I remove the handle, bend the tabs over as far as possible, but air assist nozzle still hits material. I am placing the material the max distance (25mm) with autofocus. Anyone have any ideas for fixes? I read about replacing the lens with a 3rd party one that has a longer focal length, but not sure if I want to do that.