<ul><li>Eliminates overly bright, washed-out images</li><li>Balances exposure</li><li>Controls depth of field</li><li>55 millimeters in diameter</li><li>For use with F-stop 3 on a manual camera; for all film types, color or black and white</li></ul> Product description The Tiffen 55mm 0.9 Natural Density Filter Amazon.com Reduces the amount of light passing through the camera lens without changing the color of the scene. This filter is especially useful in bright- light conditions. Allows proper exposure at a wider lens opening for reduced depth of field to highlight a key subject by making the foreground and/or the background out of focus. A slower shutter speed can be used to produce blurred motion effects.

Tiffen 55mm Neutral Density 0.9 Filter