Hoya Pro ND 4 49mm Filter (2 Stops)
The Hoya Pro ND4 filter reduces light entering the lens by 2 stops
ND Filters are designed to reduce the amount of light entering the lens enabling slow shutter speeds. Often used by landscape photographers to soften clouds and give moving water a smooth appearance. Hoya Pro filters have a low profile aluminium frame ensuring the glass remains parallel to the sensor still suitable for wide angle lenses.