ZOMEi 77mm star +4 Optical 4-Point Star Cross Filter Twinkle Effect for Digital Camera Lens Rotating Filter Design For Animated Effects,Adds Creative Touch To Stills & Video,Create dazzling effects. Can be used in combination with other filters for remarkably creative effects. Will Not Affect Color Or Details Of Scene Filters are double threaded to allow mounting of additional filters or lenses! High quality optical glass and aluminum metal with excellent impact resistance and abrasion resistance