Why Choose K&F Concept？
1.Professional optical lens manufacturer.
• Made of import optics glass and resin,top level of transmittance.
• Premium Picked up Product. Shop with Guarantee.
2. Dedicated to provide products in high quality & good price.
• Made of metal sealing ring, much tighter. Laser fonts, much durable
• Meet Environmental Standards of RoHS
Slim Adjustable ND Filter Function
• Reduces the amount of light reaching the film without affecting the color.
• Applies slow shutter speed under strong sunlight exposure.
• Allows wider apertures, effectively decreasing depth of field.
• Neutral density can be adjusted from ND2 to ND400.
1.This kit is compatible with all 40.5mm lenses ONLY,Please verify your cameras's lens thread size before ordering.This number is always preceded by a "ø"(diameter) symbol
2.When using the ND filter to the maximum(ND400) or bigger degree density, it will appear "X" spot or a blur in the picture,this is a normal phenomenon.
(Suggestion:lower down the density value gradually and reduce the aperture, until the facula disappeared.)
K&F 40.5mm Slim Fader Variable ND (ND2-ND400) Neutral Density Filter for Sony 16-50mm 3N Nikon V1 V2 10-30mm