Apexel APL‑67VND400 ND400 67 mm HD Glass Variable ND Filter provides smooth density adjustment from ND2 to ND400 for precise exposure control. With clamp mount and cold‑shoe adapter, it easily attaches to smartphones and cameras. Crafted from high‑definition optical glass, it ensures sharp, clear images while enabling long exposures and cinematic motion blur in bright conditions. Its lightweight, durable metal frame ensures easy portability.