55mm 3PC Filter Kit For Nikon D5600 D3500 D3400. When shooting under natural light, fluorescent filter dramatically increases color saturation of subjects. FLD Filter. (CPL Filter)This filter is used to increase color saturation darken blue skies so white clouds stand out and removes unwanted reflections from surfaces such as water and glass, it will also reduce the softness scenery caused by atmospheric haze.
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