Breakthrough Photography 77mm X4 Neutral Density 0.9 Filter (3 Stop) 1 This innovative design ensures durability

This innovative design ensures durability

It has a large diameter one piece lid and funnel which clips into place positively and securely

Nikon Super Integrated Coating (SIC)Enhances light transmission efficiency and offers superior color consistency and reduced flare

capable of stabilizing the camera even during high speed motion for smooth video and sharp photos

Breakthrough Photography 77mm X4 Neutral Density 0.9 Filter (3 Stop) 1 This innovative design ensures durabilityWorlds Sharpest ND Filter. 100% Guaranteed. The X4 ND features SCHOTT Superwhite B270 optical glass, which is an ultra clear crown glass. It is produced by melting high purity raw materials and then made using the continuous draw process. The result is excellent transmission in the ultraviolet, visible, and infrared spectrums, and a high surface quality that accepts the state of the art MRC and nanotec coatings exceptionally well. Lee Big Stopper vs.