Concept Variable ND Filter 37mm Variable K&F NANO-X ND8~ND128 KF-37NDX8-128

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Model number: KF-37NDX8-128 Dimming range: ND8-ND128 Filter diameter: 37mm Material: Glass part: Nippon Optical Glass, Frame: Magnalium metal Coating: 7-layer multi-coating and MRC (multi-resistant coating) processing on both sides / Frame: Thin frame design to prevent vignetting The variable ND filter allows you to freely adjust the amount of light reduction by rotating the front frame of the filter. The amount of light can be adjusted from ND2 to ND32, eliminating the need to change filters depending on the shooting. In addition, the phenomenon of X-ray unevenness that occurs near high densities, which is unique to variable filters, has been minimized.