Ultra Slim K&F Concept 67mm Variable ND Lens Filter (ND2-ND400)

The K&F Concept ND Filter with 18 Layer Multi Resistance Coating (MRC) from the Previous page 18 Layer K Series Filter applies slow shutter speed under strong sunlight exposure and reduces the amount of light reaching the lens without affecting color. The filter also helps repel water, dust, and grease, while preventing ghosting. It features glass mounted with high-pressure press technology and is made of import AGC optical glass by K&F Concept technology.

The filter also has a wider outer optic to help reduce vignetting at wide angles and extinction paint Seiko manufacturing to achieve testing sights on the military standard. It comes in multiple variations including ND2-ND400, ND3-ND1000, and ND8-ND2000. The filter has received positive customer reviews and is suitable for video shooting and landscape photography. Prices range from $28.79 to $69.95.

The filter is crafted from premium AGC optical glass with 18 multi-layer coatings, reducing reflections and glare. It offers 1 to 9 stops of adjustable light reduction and 360-degree rotation for precise dimming settings. The filter is treated with an oxidized sandblasting process to prevent unwanted stray light and minimize unnecessary reflections on the metal surface.

At a thickness of 7.4mm, the filter has a slim and secure design with enhanced friction for easy attachment and detachment of lenses and accessories. It is compatible with all 67mm lenses, and a 72mm lens cap is required for this 67mm variable ND filter. Note that high stops may cause a cross-pattern effect, known as an "X black cross," which is natural and temporary and occurs due to the adjustable ND filter's interaction with certain lenses and focal lengths.

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