Yellow for the black and white photography can be aslight increase in contrast, for example, a clearer line between heaven and earth.To further increase the contrast, you can use orange filter, or a much stronger contrast of the red lens. 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. It is mainly used for black and white photography, and also be used in some color film, so that the whole image into the green.Using red, green, and blue filters together, it can change the the colour of the moving objects with threes times of exposure, and still keep the colour tone of the objects. Suit for: Compatible with any filters that are 58mm in diameter Popular Compatible Lens?CANON Rebel (T5i T4i T3i T3 T2i T1i XT XTi XSi SL1), CANON EOS (700D 650D 600D 550D 500D 450D 400D 350D 300D 1100D 1000D 100D 60D) with 58MM Lens include:EF-S 18-55mm f/3.5-5.6 IS II, EF-S 55-250mm f/4-5.6 IS II, EF 50mm f/1.4 USM
