K&F Concept 58mm 9Pcs Graduated Color Filter Kit for CANON EOS Rebel T5i T4i T3i T3 T2i T1i XT XTi XSi SL1 Etc Nikon D300 D7000 D5100 D3200 Etc w/ Lens Hood+ Lens Cap With Cap Keeper Holder+ Microfiber Cleaning Cloth +3-slot Filter Case + 6-slot Filter Case Graduated Blue, Red, Yellow, Purple, Orange, Green, Grey, Pink, Coffee Color Filter Graduated color filters provide a gradual color transition for a smooth blending effect. Give your landscape and skin texture a more colorful touch. Ultra slim 5mm frame made of aircraft grade magnalium, helps to avoid vignetting This filter is double threaded allowing additional filters to be screwed one over the other. Using two color graduated filters rotated 180 degrees relative to each other allows different colors to fade into each other.