49mm Variable ND Filter ND2-ND400 (1-9 Stop) Lens Filter Waterproof Scratch Resistant Nano-X Series

SKU: KF01.1458

Q
How does this ND2-ND400 filter work
Answer Question
A
K&F Concept ND2-ND400 lens filter controls the amount of the light that enters into camera lens with two sets of polarizing glass of high transparency.