Articles (In field) Categories: Select Category Show All Artwork and Prints How To Articles Reviews Theory Travel Workshops Trip Reports How to Use a Neutral Density Filter WHAT IS A NEUTRAL DENSITY FILTER? A neutral density filter (ND filter) is simply a filter that’s cuts the amount of light that enters your camera’s lens. They are most commonly used in landscape photography when a photographer wants to create a longer exposures than what would normally be possible using just the camera’s internal settings... Read more ...