K&F CONCEPT Snap On Filter Kit for DJI Osmo Action 6, 3 Pack Review
A 3 pack snap on filter kit from K&F CONCEPT built specifically for the DJI Osmo Action 6, combining a CPL filter, a variable ND4-32 filter and a UV filter in nano-coated optical glass.
| Brand | K&F CONCEPT |
|---|---|
| Compatibility | DJI Osmo Action 6 |
| Filters included | CPL, ND4-32, UV |
| ND range | 2 to 5 stops |
| Glass coating | 28 multi-layer nano-coating |
| Fit style | Snap on, secure fit |
| Best for | Osmo Action 6 owners wanting exposure control, glare reduction and lens protection in one snap on kit |
Product Overview
K&F CONCEPT builds this as a dedicated 3 filter kit for the DJI Osmo Action 6 rather than a universal action camera filter, covering CPL, ND4-32 and UV filtration in one package. The listing frames the combination as solving imaging problems in complex lighting while also protecting the lens, aimed at POV activities like surfing, rafting, cycling, hiking, skiing and travel journaling.
Each filter uses high-definition AGC optical glass finished with 28 layers of multi-layer nano-coating on both sides, which the listing ties to ultra-low reflectivity without sacrificing image clarity or sharpness, along with water repellent and scratch-resistant properties. Installation is a snap on design that squeezes firmly onto the existing lens protector.
Score Breakdown
This verdict is based on the manufacturer's stated specifications, the current Amazon listing and its product images, the confirmed materials and design, real buyer ratings, and our research into the product category. Scores are consistent editorial judgments, not laboratory measurements, and we did not receive a paid sample.
Key Features
Snap on filters built specifically for this camera's lens protector.
Covers 2 to 5 stops for medium light, motion blur control.
Cuts reflections from water and glass while boosting contrast.
Adds a baseline protective layer over the camera lens.
Keeps reflectivity ultra-low without reducing image clarity.
Squeezes firmly onto the existing lens protector instantly.
Design and Build Quality
The 3 filters in the kit serve distinct roles: the ND4-32 variable filter covers a 2 to 5 stop range suited to medium light conditions from partly cloudy to bright sunny days, the CPL filter reduces non-metallic surface reflections such as water and glass while boosting color and contrast, and the UV filter adds baseline lens protection. Glass construction uses AGC optical glass with 28 layers of nano-coating per the listing, aimed at minimizing reflectivity while keeping the image sharp.
The mounting system is a snap on, secure fit design rather than a threaded screw-on ring, built to install instantly onto the existing lens protector of the Osmo Action 6. The listing backs the kit with a 1 year warranty.
Performance in Everyday Use
The ND4-32 filter's 2 to 5 stop range is built to reduce shutter speed for motion blur effects during dynamic outdoor activity, giving footage a sense of speed, and the listing specifically positions it for medium light conditions rather than very dark or very bright extremes. The CPL filter's performance centers on reducing glare from non-metallic surfaces like water and glass while enhancing color and contrast for richer scenic footage.
Across all 3 filters, the nano-coated AGC optical glass is built to keep reflectivity ultra-low without degrading image clarity or sharpness, while adding water repellent and scratch-resistant protection for the lens underneath. The snap on fit is designed for quick, tool-free changes between filters during active use.
How It Performs: The Evidence
| Decision factor | What we found | Evidence and measurement | Score | Why it matters |
|---|---|---|---|---|
| ND filter range | ND4-32, 2 to 5 stops | Listing states the ND4-32 covers 2-5 stops for medium light conditions from partly cloudy to bright sunny days | 8.1 | A specific stop range gives a measurable basis for the exposure control claim |
| CPL glare reduction | Reduces reflections, enhances color and contrast | Listing states the CPL filter eliminates non-metallic surface reflections such as water and glass, and enhances color and contrast | 8.0 | A specific reflection-reduction claim supports the stated glare control performance |
| Optical glass quality | AGC optical glass with 28 layer nano-coating | Listing states the filters use high-definition premium AGC optical glass, double-sided with 28 multi-layer nano-coating | 8.3 | A specific coating layer count gives a concrete basis for the low-reflectivity, high-clarity claim |
| Fit and installation | Snap on secure fit onto existing lens protector | Listing states the filter can be instantly installed onto the camera lens, squeezing firmly onto the existing lens protector | 8.0 | A specific installation method supports the stated tool-free, secure fit claim |
| Warranty | 1 year warranty | Listing states the product carries a 1 Year warranty | 7.8 | A specific warranty length gives a measurable basis for the coverage claim |
| Compatibility scope | Dedicated to Osmo Action 6 only | Listing states the filter kit is dedicated for and compatible with DJI Osmo Action 6 | 7.0 | An explicit single-camera compatibility statement is a real scope limitation worth flagging |
Who Should Buy It
- DJI Osmo Action 6 owners wanting exposure and glare control
- Surfing, rafting, cycling, hiking and skiing POV footage
- Travel journaling and daily exercise vlogging
- Buyers wanting added lens protection alongside creative filtering
- Buyers wanting a variable ND filter covering a wider stop range than the ND4-32's stated 2 to 5 stops
- Built specifically for the Osmo Action 6, so it will not fit other action cameras without a matching mount
- The ND4-32 range tops out at 5 stops, which is not enough for very bright, high-contrast conditions some photographers may want covered
- Only this 3 filter combination is covered by this specific listing
- Snap on fit depends on the existing lens protector being in good condition for a secure hold
Full Specifications
How It Compares
| Feature | K&F CONCEPT | Typical option | Higher-tier option |
|---|---|---|---|
| Camera fit | Dedicated Osmo Action 6 snap on fit | Universal screw-on filter mount | Camera-specific snap fit |
| Filter set | CPL, ND4-32 and UV included | Single UV filter only | 3 filter combination kit |
| ND stop range | 2 to 5 stops | Fixed single-stop ND filter | Variable stop range |
| Glass coating | 28 layer nano-coating | Uncoated or single-layer coating | Multi-layer nano-coated glass |
| Installation | Snap on, tool-free | Threaded screw-on ring | Snap on secure fit |
Alternatives Worth a Look



This is a 3 pack snap on filter kit from K&F CONCEPT built specifically for the DJI Osmo Action 6, combining a CPL filter, a 2 to 5 stop variable ND4-32 filter and a UV filter in nano-coated AGC optical glass, backed by a 1 year warranty. It suits Osmo Action 6 owners wanting exposure control, glare reduction and lens protection in one kit, with the clear limitation being its camera-specific fit.
Frequently Asked Questions
What filters are included in this kit?
A CPL filter, a variable ND4-32 filter, and a UV filter, per the listing.
What stop range does the ND filter cover?
2 to 5 stops, suited to medium light conditions.
Does this fit other action cameras?
No, the listing states it is dedicated to the DJI Osmo Action 6.
How is the filter installed?
It snaps on securely over the existing lens protector, without tools.
What glass coating does it use?
28 layers of multi-layer nano-coating on AGC optical glass, per the listing.
Is there a warranty?
Yes, a 1 year warranty, per the listing.
What does the CPL filter do?
Reduces glare from water and glass while enhancing color and contrast, per the listing.
This review is based on the manufacturer's stated compatibility, optical specifications and included filters as listed. It is editorial analysis of the specifications and features as described, not hands on or long term use of this specific kit.