This ND4 filter reduce the amount of light entering the lens so wider apertures can be selected, which is perfect for portraiture to reduce depth of field. Subject appears crisp and clear while the background becomes a soft blur. Also widely used for photographs of waterfalls and other nature scenes to emphasize movement.
|Type||Neutral Density Filters|
|Filter Factor||Reduces ISO 1/4|
|Effect||ND filters appear grey, and reduce the amount of light reaching the film. They have no affect on color balance|
|Construction||Black Rimmed Glass|
|Front Filter Thread Size||72 mm|
|Front Lens Cap Size||72 mm|