ITEM NAME:58Mm Uv+Cpl+Fld 3 In 1 Lens Filter Set Bag For Nikon Sony Pentax Camera Len H7K7 58Mm Uv+Cpl+Fld 3 In 1 Lens Filter Set Bag For Nikon Sony Pentax Camera Len H7K7 UV Filter: Absorbs the ultraviolet rays which often makes outdoor photographs hazy and indistinct. A muliti-purpose fine-weather filter for color as well as black and white films. Also serves as a permanent lens protector. CPL Filter: Light rays which are reflected by any surface can become polarised so polarising filters are used to select which light rays enter your camera lens. CPL filters allow you to remove unwanted reflections from non-metallic surfaces such as water, glass etc. They also enable colors to become more saturated and appear clearer with better contrast. FLD Filter (fluorescent light correction): Provides the perfect solution for obtaining pleasing skin tones and correct color while shooting without a flash under fluorescent lighting. This filter gives true-to-life color rendition by removing the harsh yellow-green cast ordinarily resulting from fluorescent bulbs. When shooting under natural light, a fluorescent filter dramatically increases color saturation of subjects such as sunrises and sunsets. FLD Filter (fluorescent light correction): Provides the perfect solution for obtaining pleasing skin tones and correct color while shooting without a flash under fluorescent lighting. This filter gives true-to-life color rendition by removing the harsh yellow-green cast ordinarily resulting from fluorescent bulbs. When shooting under natural light, a fluorescent filter dramatically increases color saturation of subjects such as sunrises and sunsets. Compatiblity: Fits Olympus,, Nikon, Pentax, Sony, and Other Digital SLRs ! These Filters are manufactured from high quality solid optical glass. Each individual filter is heat treated to avoid any rare movement or distortion The rings are double-threaded, so you can stack filters as needed, and you can even put your lens cap on the filter.FLD Filter (fluorescent light correction): Provides the perfect solution for obtaining pleasing skin tones and correct color while shooting without a flash under fluorescent lighting. FLD Filter (fluorescent light correction).