52mm Variable Fader ND2-ND32 and CPL Filter - 2 in 1 Variable ND

In this review the K&F Concept 52mm Variable Fader ND2-ND32 with built-in CPL is judged as a practical, budget-friendly filter for photographers who want control over exposure and reflections without carrying multiple filters. The single biggest reason to buy is the combined ND and circular polarizer function that lets a user darken skies while reducing glare from water or glass, all in one screw-on unit that fits 52mm lenses and uses a 58mm lens cap. For casual landscape, travel, and outdoor portrait work it delivers clear images and solid value for money.

Key Features

• 2-in-1 ND and CPL: Combines neutral density and circular polarizing functions so you can reduce light and cut reflections without swapping filters.
• No X cross on images: Uses updated variable ND technology to prevent the common X pattern on wide-angle shots, improving usable framing.
• AGC optical glass: Made from imported optical glass with 28 multi-layer coatings to keep images clear while offering waterproof and scratch-resistant protection.
• Graduated ND range: Adjustable from ND2 to ND32 with five marked stops on the frame so users can reliably set the desired exposure reduction.
• Durable frame design: Aluminum alloy CNC frame with non-slip edge makes mounting and removal easier and protects the filter threads.
• Lens cap compatibility: Designed for 52mm lens threads and notes that a 58mm lens cap or hood is required for this filter size.

Who It's For

This filter is best for landscape and travel photographers who want a lightweight way to control both light and reflections without carrying separate ND and polarizer filters. It is also a useful tool for videographers working outdoors who need variable exposure control and reduced glare, and for beginners looking for value for money from a single accessory.

Photographers using very wide-angle lenses who demand absolute perfection in color rendering or who require professional-grade durability for heavy daily use may want to consider higher-end separate ND and CPL solutions. Also confirm your lens thread is 52mm before purchasing, since compatibility depends on that size.

Pros & Cons

Pros

• Effective combined ND and CPL functionality saves time and reduces gear weight.
• Good image clarity thanks to AGC optical glass and extensive multi-coating.
• Marked stops and non-slip CNC frame make adjustments and handling more reliable.
• Waterproof and scratch-resistant coatings help protect the lens surface.

Cons

• Some users report the ND adjustment needs two hands to change smoothly, which can slow operation.
• Durability concerns were mentioned by a few customers compared to pro-level metal filters.

Specifications

Brand	K&F Concept
Filter type	Variable ND (ND2-ND32) with CPL
Thread size	52mm (requires 58mm lens cap)
Glass	Imported AGC optical glass, 28 multi-layer coating
Frame	Aluminum alloy, CNC non-slip edge
Water and scratch resistance	Waterproof and scratch-resistant coatings

Our Verdict

The K&F Concept 52mm variable ND with CPL is a strong value option for shooters who want the convenience of combined exposure and reflection control. It produces clear images, reduces glare effectively, and is well suited to landscape and travel use; those seeking top-tier professional durability or single-function perfection may prefer separate premium filters, but for most users this is a practical, cost-effective choice.

Frequently Asked Questions

Will this fit my lens?
Yes if your lens thread is 52mm; check the number beside the diameter symbol on your lens and note it uses a 58mm lens cap.

Does it eliminate the X cross issue?
Yes, the updated variable ND design is intended to avoid the X pattern commonly seen on wide-angle shots.

Is the glass protected?
The filter uses AGC optical glass with 28 multi-layer coatings that are waterproof and scratch-resistant to help protect the lens surface.