Buy from Amazon.com : http://fave.co/1bEjV1w <br /><br />Genus GL GNDF-62 ND 62 mm Fader Circular Filter System<br /><br />Product Description : <br />Variable Neutral Density adjustable up to 8 stops <br />Allows greater control of shutter speed and depth of field <br />Index marks on edge of filter for exact adjustment
