to 400 Slim Fader Variable Adju stable Neutral Density Filter 72mm Description: variable neutral density fader filter that adjusts the amount of light red uction with just the twist of your wrist Neutral Density ( ) filters can red the intensity of light without appreciably changing its color Application: Classic filters have different red uction numbers and transmi mi thus generated can be applied for different conditions, Suitable for dyna mi screen,waterfalls,streams,waves,etc. Feature: 1. Neutral density can be adjusted from to ND400 easy to create different neutral density by rotating the front 2-8 stopsl. 2. Apply slow shutter s pe ed under strong sun light exposure. 3. Large is available to create depth of field easily. 4. Index the edge of filter for adjustment. pe : : Red Rotating: Yes Neutral Density Grade: 2 - 400 Size: Back(To lens) diameter Frame thickness: 1cm Frame material: mi alloy Glass material: optical glass Package Includes: 1 x fader filter