The Kase Neutral Density filters is perfect to reduce certain amount of light captured to the camera. This is great for long exposure photography. With the ND filter, you can slow the shutter speed to get smooth water or light trails for example. Long exposure photography can also reduce busy streets to empty ones or be used to capture movement in creative ways. ND filters are available in different strengths for different effects.
Kase K150P magnetic circular ND filter quick to install on the K150P holder, installed by magnet. They can be used individually, or together with the 150mm square filters.