BIRUGEAR 62mm 3PC Filter Set (UV, CPL ,FLD) with Case + Filter Bag with Clip +Lens Pen + Cloth for Sony Alpha A37 A57 A58 A65 A77 with 18-135mm f/3.5-5.6 Lens Compatible with Sony, Panasonic, Tamron, Sigma and more Lenses Ultra Violet UV filter used to reduce unwanted ultra-violet light. Fluorescent light correction (FLD) filter used to increase color saturation of subjects Circular Polarizing filter used to reduce glare and reflections from non-metallic objects and glass surfaces. Package includes: 1 x 3 pcs (UV, CPL ,FLD) Filter Kit with Bag; 1 x Camera 2pc Filter Bag with Clip - Black; 1 x BIRUGEAR Lens Pen; 1 x Microfiber Cleaning Cloth(3 inch x 3 inch)