37mm ND2-ND400 (9 Stops) Variable ND Filter Neutral Density Filter for Camera Lens Ultra-Slim, Multi Coated Nano-Klear

SKU: KF01.1381

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.