K&F Concept Snap On CPL & ND Filter Kit for DJI Osmo Action 3/4/5

In this review the K&F Concept Snap On PL & ND Filter Kit is judged for action camera users who want cleaner highlights and smoother motion in bright conditions. The bottom line: it is a compact, easy-to-fit set that provides practical light reduction and polarizing control for the DJI Osmo Action 5 Pro, 4 and 3, and the single biggest reason to buy is the push-in snap fit combined with high-quality AGC optical glass that preserves image clarity while reducing glare and exposure.

Key Features

• Compatibility: The kit is made to work with DJI Osmo Action 5 Pro, Osmo Action 4 and Osmo Action 3 so users get filters that align and mount without modification.
• ND Range: ND8, ND16 and ND32 provide 3 to 5 stops of light reduction to help maintain balanced exposure and achieve motion blur in bright outdoor shooting.
• CPL Effect: The polarizing filter reduces reflections on water and glass and improves color saturation and contrast in landscape and architectural shots.
• Optical Quality: Each element is manufactured from AGC optical glass with multi-layer nano coatings to keep sharpness high and lower reflections.
• Push-in Fit: The snap-on push-in design installs quickly without removing the camera protective filter, saving time on busy shoots.
• Durability: Double-sided 28-layer coatings add water repellency and scratch resistance to protect the lens surface in field use.

Who It's For

The kit is best for action camera owners who shoot outdoors in bright sun and want to control exposure without changing shutter speeds or ISO too aggressively; vloggers, adventure filmmakers and landscape shooters will get the most immediate benefit from the ND set and CPL. The lightweight snap-on fit makes it useful for quick transitions between handheld and mounted rigs.

Those who need variable ND or threaded systems for adapters, or who prefer screw-in metal rings for heavy professional accessories, should look elsewhere; this kit is optimized for simplicity and correct fit on the specified DJI models rather than modular expandability.

Pros & Cons

Pros

• High optical quality with AGC glass and multi-coated surfaces keeps images sharp while reducing flare and reflections.
• Push-in snap mount is fast and preserves the camera's existing protective filter for convenience.
• ND8, ND16 and ND32 plus a CPL give a useful spread of light control for bright sunlight and motion blur effects.

Cons

• The fixed ND stops mean no continuous adjustment; users who want variable control must swap filters or choose a different system.

Specifications

Brand	K&F Concept
Compatible Models	DJI Osmo Action 5 Pro, 4, 3
Included Filters	CPL, ND8, ND16, ND32
Glass Type	AGC optical glass with nano coating
Coating	Double-sided 28 multi-layer nano-coating
Mount Style	Push-in snap fit

Our Verdict

The K&F Concept Snap On CPL & ND Filter Kit is a practical, affordable choice for Osmo Action owners who value quick mounting, solid optical quality and a simple range of NDs plus polarization to control glare and exposure. It is good value for outdoor vloggers and hobby filmmakers who want reliable results without extra adapters.

Frequently Asked Questions

Will this kit fit my Osmo Action camera?
Yes; the kit is designed to be compatible with DJI Osmo Action 5 Pro, Osmo Action 4 and Osmo Action 3 models.

How much light do the ND filters block?
ND8, ND16 and ND32 provide approximately 3 to 5 stops of light reduction, useful for bright sunlight and achieving motion blur effects.

Does the CPL affect image sharpness?
No; the CPL and ND filters use AGC optical glass with multi-layer nano-coatings to maintain sharpness while reducing reflections and improving contrast.