K&F 46MM XV40 Nano-X Variable/Fader ND Filter, ND8~ND128, W/O Black Cross K&F Concept

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K&F Concept 46mm XV40 Nano-X Variable ND Filter (ND8–ND128) – Professional fader ND filter with imported AGC optical glass, 31-layer Nano-X coating, ultra-slim anti-vignetting frame, and self-lock mechanism for smooth light control without the “X” cross effect.

The K&F Concept 46mm XV40 Nano-X Variable ND Filter (ND8–ND128) offers unmatched precision for photographers and filmmakers who demand control over exposure and motion blur. Made with imported Japanese AGC optical glass, this filter maintains the highest clarity and color neutrality, ensuring your images remain sharp and free from unwanted color cast.

Featuring an advanced self-locking frame, the XV40 eliminates the common “X” cross issue seen in other variable ND filters — even when using wide-angle or telephoto lenses. With a variable density range from ND8 to ND128 (3 to 7 stops), it allows seamless adjustment of light reduction for perfect exposure in bright conditions.

The Nano-X 31-layer coating provides superior protection, making the filter waterproof, scratch-resistant, anti-reflective, and oil-resistant. This ensures exceptional durability and optical performance in any shooting environment.

Its ultra-slim 7.4mm CNC-machined frame minimizes vignetting on wide-angle lenses (supports 31mm focal length without vignetting), while the non-slip grip design makes installation and removal easy and secure.

Key Features:

• Variable ND range from ND8 to ND128 (3–7 stops)

• Premium imported Japanese AGC optical glass for sharp, color-accurate results

• Self-locking frame design eliminates “X” cross on wide and telephoto lenses

• 31-layer Nano-X coating for water, oil, dust, and scratch resistance

• Ultra-slim 7.4mm frame prevents vignetting on wide-angle lenses

• CNC-machined aluminum alloy non-slip frame for precision handling

• Maintains full image clarity and natural color balance

• Compatible with all 46mm lenses (lens cap/hood size should be 49mm)

Specifications:

• Filter Type: Variable ND (ND8–ND128)

• Density Range: 3 to 7 stops

• Glass Material: Japanese AGC Optical Glass

• Coating: 31-layer Nano-X (waterproof, anti-glare, scratch-resistant)

• Frame Material: CNC Aluminum Alloy

• Frame Thickness: 7.4mm (Ultra Slim)

• Thread Size: 46mm (Lens cap/hood size: 49mm)

• Compatible Lenses: Any lens with Ø46mm filter thread

Package Includes:

• 1 × K&F Concept 46mm XV40 Nano-X Variable ND Filter (ND8–ND128)

• 1 × Protective Filter Case