Hey, Lately I've been using a variable ND filter on the 15mm lens - however I can't get the lens hood on with the filter on. Anyone got any workarounds? I guess I could buy a lens hood that screws into the filter maybe? or duct tape a lens hood? Just need something to avoid flare as the 15mm lens can get this horrible blue flare at the edges. Same issue with the olympus 45mm as seen here: