Tiffen 67mm Black Diffusion/FX 3 Filter 405mm Gives a silky smooth look

Gives a silky smooth look to textured surfaces

Built of light-weight durable aluminum and glass

This filter features a single series of etched lines spaced apart from each other

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Tiffen 67mm Black Diffusion/FX 3 Filter 405mm Gives a silky smooth lookTiffen Black Diffusion FX Overview The Tiffen 67mm Black Diffusion FX 3 Filter diffuses strong light entering the lens and produces a glowing effect. While the resulting image appears softer and ethereal, there is little loss of clarity or detail. This filter works by diffusing the light entering the lens with small aberrations; by spreading the light more evenly, a soft glow is created rather than the sharp, well defined image when shooting without a