K&F CONCEPT HD ND2 to ND400 Lens Filter 9 Stop Fader Easy to Variable Adjustable Neutral Density Nano-X II Series 49mm 52mm 58mm
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Specifications
- Brand Name
- K&F CONCEPT
- High-concerned chemical
- None
- Type
- ND Filter
- Origin
- Mainland China
- Package
- Yes
- Color
- green
- Material
- Optical Glass
- Photo Filter Effect Type
- Neutral Density
- Water Resistance Level
- Waterproof
- ND Filter
- ND2-ND400 Filter
- Adjustable filter
- 1 to 9 stops
- Unltra slim frame support
- 16mm
- PU leather Case
- give
Product Description
K&F Concept HD ND2 to ND400 Lens Filter 9 Stop Fader Easy to Variable Adjustable Neutral Density Nano-X II Series 49mm 52mm 58mm
Features
• Putter Design to Adjust 9 Stops - Designed with a putter, K&F Concept variable ND filter can be adjusted by 9 stops from ND2 to ND400. Each stop is marked on frame conveniently for 360° rotated to adjust the stop, multi-scene application. • Optical Glass Construction for Clarity - This ND filter is made of Japan-made top optical glass, effectively reduced reflection from the filter itself and glaring, ensuring a high-quality image and does not affect your images in any way. • Nanotec Coating - Both glass sides of K&F Concept ND filter are multi-coated by the state of art Nanotec coating technology, so the filters are waterproof, oil-proof, and scratch-resistant, protecting your camera lens for an outdoor shooting. • No Vignetting & Dark Corner - Ultra slim aviation aluminum glass frame with non-slip CNC design, easily install on your camera lens, no vignetting and dark conner even on wide-angle and telephoto lens. • 30-Day No Reason Return - Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "ø" (diameter) symbol.
Putter Adjustment Design
This exlusive putter design for convenience rotating the filter stop in photography or video shooting.
Unltra slim frame support no vignetting at 16mm focal length
The K&F Concept Variable ND filter operates on the same principle as a Circular Polarizer – rotate until you reach your desired effect and shoot.
Provides 1 to 9 stops of light control
It allows you to have continuous control over the amount of light coming through your lens in an approximate range of 1 (ND 0.3) to 9 (ND 2.7) stops – while maintaining the integrity of your image.
32 Multi-layer Coated
Each glass both side was coated , total 32 layer coating , reducing the filter itself relection effectively and the glare because of long time exposure.
K&F Concept Variable ND2-ND400 Filter
The K&F Concept Variable ND filter is a unique, versatile and flexible tool, affording you the convenience of using several different stop Neutral Density filters all in one. Primarily used as a photographic tool for controlling depth of field and exposure, the Variable ND is being sought in the video market for it's HD/Waterproof/Scratch Resistant and the exclusive putter design, providing a professional tool for photographers and amateur.
Oxidation sandblasting
Filter frame has been oxidation sandblasting effectively avoiding stray light entering in lens, reducing the non-metallic surface reflection.
Waterproof & Scratch Resistant
With waterproof and scratch resistant in both glass side , even the water spilled on glass can be easily wiped , eaily for cleaning and carrying, also with anti-fog function.
Leather Carry Case
This ND filter case made by PU leather ,side pull design can take out the filter conveniently.
Pros & Cons
Pros
- High-quality optical glass construction eliminates color cast and delivers sharp images
- Variable ND design adjusts from ND2 to ND400 with 9 stops of light control
- Includes a PU leather storage case for easy transport and protection
- Waterproof design for reliable outdoor shooting use
Cons
- Ultra-slim 16mm frame may cause vignetting on wide-angle camera lenses
- No included lens cap or adapter rings for multiple thread sizes
- Putter adjustment may be stiff for quick fine-tuning
- Higher price point than basic non-variable ND filters
Common Questions
What material is this ND lens filter made of?
This filter is constructed from high-quality optical glass for sharp, clear image quality.
What lens thread sizes does this variable ND filter come in?
This filter is available in 49mm, 52mm, and 58mm thread sizes to fit different camera lenses.
How does the adjustable ND function work on this filter?
It features a putter design to adjust the ND strength from ND2 to ND400, covering 1 to 9 stops of light reduction.
What is this ND filter used for?
It is used to reduce light intake for camera lenses, allowing for wider apertures in bright conditions for professional photography.
What is included in the product shipment?
The package includes the variable ND filter and a PU leather storage case for safe transport.
Product information last updated on December 10, 2025