K&F Concept Nano-X Black Mist Series 1/4 ND8 to ND128 Variable Lens Filter with ND Neutral Density for DSLR Mirrorless Camera with Multi-Layer Coating and Lever Adjustment 49mm 52mm 55mm 58mm 62mm 67mm 72mm 77mm 82mm

• Functions: Light Filter/Black Mist Filter

• Material: Hi-grade Aluminum

• Thickness: 7.4mm

• Protection: 28-layer anti-reflection coating

• f-stops: 3 stops for light reduction

• Lens features: Double-sided coating for waterproofing, anti-scratch, anti-oil, anti-smudge and anti-mildew