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Neutral Density Variable Filter K&F 49mm ND2–ND400 adjustable gray (KF01.1398)
Summary description:
Adjustable neutral density (ND) filter by K&F in 49 mm diameter, model KF01.1398 (SB7792) covering ND2 to ND400 density range. Designed to reduce light entering the lens for longer exposures, wider apertures or motion blur control. Useful for landscape, long-exposure, and video work where precise light reduction and gradual adjustment are required.