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Neutral Density Filter Set K&F SB9521 — 4-in-1 ND4 ND8 ND16 ND32 for GoPro Hero 9/10/11/12/13
Summary description:
K&F SB9521 is a 4‑in‑1 neutral density (ND) filter set designed for GoPro Hero 9, 10, 11, 12 and 13 action cameras. The kit includes ND4, ND8, ND16 and ND32 filters to reduce light intake by 2–5 stops for smoother motion, proper exposure in bright conditions, and creative motion blur. Suitable for outdoor, water and high‑brightness shooting where shutter speed control and cinematic effects are needed.