• HGX Prime variable ND filters are some the finest in the world / Provides 1.3 to 8 stops of light control by rotating its ring.
• Tactile Control Knob makes it easier to rotate the filter quickly and smoothly (removable).
• Line on filter ring represent densities of 2, 3, 4, 5, 6, and 7 stops with 1.3 and 8 stops being achieved at each end of the filter ring's range of travel (MIN and MAX positions).
• Repellamax II coating protects against moisture, oil, dirt, and dust. Color-corrected polarizing films (applied using a unique process).
• Ultra-hardened glass with scratch resistant coating. Coatings: 36 layers / Made in Japan