XCSOURCE&reg; 52mm Color Filter Blue Yellow Orange Red Green + Lens Cap + 6 slot Case for Nikon D7100 D7000 D5200 D5100 D3200 D3100 D3000 D90 D4 D3X D800 D700 D600 D300S D300 D7100 D7000 D5200 D5100 D5000 D3200 D3100 D3000 D90 D80 D70 D60 D50 D40 LF68 Yellow for the black and white photography can be aslight increase in contrast, for example, a clearer line between heaven and earth These color filters can also be used in color film, sothat the whole scene into a yellow, orange or red Green for the black and white photography, portrait photos in the outdoors creates a more delicate, sober sense of style, skin tone and contrast The skin tones in the photograph leads to a modest description of facial expression