Item Number: 77VND. Tiffen 77mm Variable ND Filter. The Tiffen Variable ND filter is a unique, versatile and flexible tool, affording you the convenience of using several Neutral Density filters all in one.
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Tiffen 77mm Variable ND Filter. The heavier the density, the slower your shutter speed will be. Another major benefit of this filter is the elimination of having to buy and carry around individual neutral density filters.
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