Our state-of-the-art multi-resistant coating (MRC) is an optical coating applied to both surfaces of the glass disk to reduce reflection and to increase surface durability. Our proprietary MRC coating is structurally harder than the glass itself and the reduced reflections improve the efficiency since less light is lost. The reduction of reflections also improves the contrast of the image by elimination of stray light. The real world result? Better contrast and color.

WEATHER-SEALED

We specifically designed the X4 ND as a workhorse ND filter for field work, built to withstand extreme wind, salt water, dust and other abrasive conditions and elements.

NANO COATINGS

The X4 ND incorporates our state-of-the-art nanotec Nano Coatings Technology, which beads water and other elements rather than absorbing and smearing.

25 YEAR SUPPORT

We stand behind each X4 ND filter with our 25 Year Ironclad Guarantee with US-based phone, email and live chat support.