Opteka 19-Piece Graduated and Solid Color Filter Kit for Nikon D4s, D4, Df, D810, D800, D750, D610, D600, D7200, D7100, D5500, D5300, D5200, D3300 and D3200 Digital SLR Cameras (Fits 52mm and 67mm) Selectively add color to your images Graduated color filters provide a gradual color transition for a smooth blending effect High quality metal and HD glass construction Double threaded allowing additional filters to be screwed one over the other Very easy to attach and use, works with all 67mm and 52mm threaded lenses