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UV Filter
A UV filter is used to reduce UV rays from entering the lens and striking the film. Modern lenses often have UV protection built into them as well as digital sensors, however, UV filters are commonly used to help protect the surface of the lens from scratches, smudges, dirt and other hazards.

Circular Polarizing Filter
A polarizer is different than most filters in that it is composed of two pieces of glass, mounted independently inside a round frame so that one can be rotated relative to the other. As it is rotated, it increasingly cuts out glare and haze. With an SLR, you can actually observe this change through the viewfinder. Polarizers reduce glare from water, glass, or any non-metallic surface. You can also use a polarizer filter to darken blue skies.

FLD Filter
A 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.

55mm 4-Piece Close-Up Set +1+2+4+10
Features:

* +1 +2 +4 +10
Close-up filters allow you to achieve maximum magnification to make your small image visible. Ideal for digital & film photography

* Special Element Frame
Special matte aluminum satin finish frame reduces reflections.

* Black Rimmed Glass
Black rimmed glass reduces light reflection around the filter edge.