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K&F Neutral Density Half-Frame Filter 72mm ND8 (Half Neutral Density, Glass, SB6690)
Summary description:
Half-frame neutral density (ND8) filter by K&F for 72mm lens threads, made of optical glass. Provides a 3-stop light reduction across half of the frame to balance exposures between bright and dark areas, useful for landscape and skyline photography. Mounts to lenses with 72mm filter thread and is suitable for use with tripods and long-exposure techniques.