Professional Filter Kit, specially designed for the Nikon D3100 Digital SLR Camera equipped with these Lenses: 18-55mm 55-200mm Filter Kits included are: 3-piece Digital Multi-Coated, Professional High Definition Filter Kit - Ultraviolet (UV) Filter: Absorbs ultraviolet rays which often cause hazy photographs. - Circular Polarizer (CPL) Filter: Removes unwanted reflections from non-metallic surfaces (i.e. water, glass). Also saturates colors making them appear clearer and better contrasted. This is the perfect filter for increasing saturation and contrast with blue skies and white clouds. Fluorescent (FL-D) Filter: Corrects green cast when using fluorescent lamps. This restores the natural color of shooting objects. 4-piece Close-Up Macro Lens Kit - Included are +1, +2, +4 and +10 Close- Up Lenses. High-Quality lenses are diopters for close up photography. They shorten the close focusing distance of the lens, this allows the lens to go closer to the subject and achieves a larger image scale. Lenses may be used individually or in combination for a greater effect. Lens Cap Keeper- Great For Nikon Camera"s with interchangeable lenses - Prevents loss of lens cap Snap-On Lens Cap - With a Professional and Sturdy design, this lens cap protects the delicate lens surface on cameras from dust and shock during use and storage, also protects from water splash.