77mm X4 3-Stop ND (Neutral Density) Filter For Camera Lenses - Breakthrough Photography Featuring SCHOTT Superwhite B270 optical glass made in Germany, MRC16, and nanotec nano coatings, the X4 ND is among the most color neutral filters available to photographers.

The 3-stop X4 ND features an incredibly durable weather-sealed traction frame that makes getting filters on-and-off a whole lot easier.
Constructed of high quality brass CNC machined with our signature traction frame, the X4 ND is easier than ever to attach and remove securely, even with gloves on in cold conditions.

Benefits:
MRC16 to reduce reflection and to increase surface durability X4 ND is the most color neutral and has the flattest transmission curve of any ND filter.

Shipping Note: Shipping to Alaska, Hawaii, P.O. Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty