Let me start by saying, if you're serious about capturing smooth, cinematic footage with your DJI Osmo Action camera, this ND filter set is a game-changer. I've been using it with my Osmo Action 4 during bright midday hikes and beach trips, and the difference in video quality is night and day.

The press-on design is genius - no more fumbling with screw-on filters while trying not to drop your camera. That rubberized inner edge holds tight even during mountain biking sessions. I was skeptical at first (will these stay on during action shots?), but after several intense outings, zero filter losses.

Image quality remains crystal clear thanks to the Gorilla Glass construction. No weird color shifts or distortions that I've experienced with cheaper filters. The included case is surprisingly premium - it's slim enough for my pocket but protects these glass filters like a tank.

Now for the reality check: These aren't magic. As some reviewers noted, action cameras need fast shutter speeds for stabilization. I mainly use the ND32 when shooting slow-motion waterfall scenes or want that dreamy motion blur for walking shots. For regular action footage? I keep them off unless mixing with my cinema camera.

The set gives you just the right ND options (8,16,32) without overwhelming choice paralysis. Pro tip: The ND16 has become my sweet spot for most sunny vlogging situations where I want slightly smoother motion without sacrificing too much shutter speed.

Build quality matches DJI's reputation - these feel like they'll survive years of adventure abuse. At this price point, you're paying for durability and optical precision that cheaper sets just can't match.