K&F Concept 40.5mm Polarizing Filter + UV Filter + ND Filter Neutral Density Filter + FLD Filter Lens Filter Kit Compatible with 16-50 3N Nikon V1 V2 10-30 Kit Includes: 40.5mm K&F Concept Filter Kit(UV CPL FLD ND2 ND4 ND8) + Cleaning Pen+ 6 Slot Filter Pouch High quality product made of import optics glass and resin,top level of transmittance. Metal sealing ring instead of the plastic sealing ring, better tightness, avoids fall or loose. Low Profile Frame, Ultra Thin Frames to help avoid vignetting on wide angle lenses This 40.5mm Filter Kit Includes Some Of The Essential Accessories You Need To Take Full Advantage Of Your New Nikon 1 J1, Nikon 1 V1, Nikon 1 J2, Nikon 1 J4, Nikon 1 S2 Mirrorless Digital Camera. Brand of K&F Concept manufactured by a professional team,24 Month Manufacturer Warranty,100% Satisfaction Guaranteed. W<span class="a-text-bold">hy Choose K&amp;F Concept</span> Professional optical lens manufacturer.Made of import optics glass and resin,top level of transmittance. Dedicated to provide products in high quality.Made of metal sealing ring, much tighter. Laser fonts, much durableMeet Environmental Standards of RoHS