SmallRig 52mm Magnetic Black Diffusion Filter - Dreamy Portrait Effect

In this review the SmallRig 52mm Magnetic Black Pro Mist Diffusion Filter 4217 is presented for photographers and video creators who want softer highlights and a cinematic, dreamy look without heavy color shifts. The filter's main appeal is how it tames bright highlights and reduces contrast and perceived sharpness while preserving shadow detail, making it especially useful for portrait work, vlogs and narrative video where a gentler skin rendition and bloom are desired.

Key Features

• Black diffusion effect: Softens high light intensity and lowers contrast to create a romantic, dreamy look while keeping shadow detail intact.
• Magnetic design: Attaches and detaches quickly via strong magnets to reduce wear on lens threads and speed up filter changes during shoots.
• AGC HD optical glass: Built from imported AGC glass and true color film to maintain accurate colors and high light transmittance.
• 28-layer nano coating: Coatings on both sides resist water, dirt, oil and scratches to keep the surface easier to clean and protect image quality.
• Ultra slim aluminum frame: 3.5mm CNC aluminum frame reduces the chance of vignetting on wide-angle lenses while remaining sturdy.
• Compact kit: Ships with a microfiber lens cloth and a portable storage case so the filter stays protected between shoots.

Who It's For

This filter suits portrait photographers, vloggers and independent video makers who want a subtle cinematic mist effect without the complexity of post-processing. The magnetic system is particularly useful for creators who switch looks quickly on set or while shooting run-and-gun content.

It is not the best choice for shooters who need threaded filter compatibility with non-magnetic 52mm adapters, or for those seeking heavy diffusion that dramatically degrades sharpness; this product favors controlled softening and true color retention.

Pros & Cons

Pros

• Magnetic mounting makes installation fast and reduces wear on lens threads, praised by users for ease of use.
• Produces an attractive softening and highlight bloom that enhances skin tones for portrait and video work.
• High-quality AGC optical glass with multi nano-coating preserves color fidelity and resists smudges and scratches.
• Slim 3.5mm aluminum frame minimizes vignetting on wide-angle lenses.

Cons

• Only works with 52mm magnetic filter rings and specific SmallRig adapters; not compatible with standard threaded adapters.
• Effect is subtle by design, so users wanting heavy diffusion may need a different filter.

Specifications

Filter diameter	52mm
Filter type	Black Mist / Pro Mist Diffusion
Glass	Imported AGC optical glass
Coating	28-layer multi nano coating (both sides)
Frame	3.5mm ultra slim CNC aluminum alloy
Mount	Magnetic (requires 52mm magnetic filter ring)
Included	Microfiber cleaning cloth and portable storage case

Our Verdict

The SmallRig 52mm Magnetic Black Mist Filter is a practical, well-built option for portrait photographers, vloggers and videographers who want a gentle cinematic bloom and accurate colors. The magnetic mounting and durable coatings make it good value for creators who change filters often, provided they use the correct 52mm magnetic adapter instead of threaded rings.

Frequently Asked Questions

Does this filter change colors?
The filter uses true color film and AGC glass designed to maintain color fidelity while slightly softening highlights.

Will it fit my lens?
It fits lenses with a 52mm magnetic filter ring; SmallRig recommends their 3840C or 3845B adapters and it is not compatible with standard threaded filter adapters.

Is the surface easy to clean?
Yes, the 28-layer nano coating resists water, oil and dirt and the kit includes a microfiber cloth for safe cleaning.